Harmful animals Black and White Stock Photos & Images

RF2X5PT0K–Minimal Black Aphids icon illustration design

Pest control chalk icons set. Extermination. Harmful animals and insects. Isolated vector chalkboard illustrations Stock Vector

RF2AF8HP0–Pest control chalk icons set. Extermination. Harmful animals and insects. Isolated vector chalkboard illustrations

RFM85BE2–wild animals

Plastic bag and dead fish in the water. Plastic pollution in the environment. Harmful effects of waste on wildlife. Endangered ocean animals. Vector Stock Vector

RF2C3HJJH–Plastic bag and dead fish in the water. Plastic pollution in the environment. Harmful effects of waste on wildlife. Endangered ocean animals. Vector

RF2GTJEXN–beetle icon vector illustration design

Elegant woman standing next to a lion Stock Photo

RFB32TXT–Elegant woman standing next to a lion

RFF5HDGH–Domestic Animal Attacking Hurting Human Stick Figure Pictogram Icon

1950s BOY SITTING ON GROUND BITING EAR OF PUPPY DOG LOOKING AT CAMERA MAN BITES DOG Stock Photo

RMCMR5TA–1950s BOY SITTING ON GROUND BITING EAR OF PUPPY DOG LOOKING AT CAMERA MAN BITES DOG

. Gray Lady and the birds; stories of the bird year for home and school . en, hasfrequently been shot at for prowess, the excuse being thatit wasnt any good, anyway. Aside from the list of in-sects harmful to agriculture and domestic animals thatit destroys, let us remember its crowning virtue, and cryHands off! It kills mosquitoes, and has thus earnedthe local name of Mosquito-hawk. It is hard to believe that any one should insist thatthe Nighthawk and the Whip-poor-will are one and thesame bird, but such has been the case, and among intelli-gent people also, though the mistake has been defin Stock Photo

RM2CP7N4J–. Gray Lady and the birds; stories of the bird year for home and school . en, hasfrequently been shot at for prowess, the excuse being thatit wasnt any good, anyway. Aside from the list of in-sects harmful to agriculture and domestic animals thatit destroys, let us remember its crowning virtue, and cryHands off! It kills mosquitoes, and has thus earnedthe local name of Mosquito-hawk. It is hard to believe that any one should insist thatthe Nighthawk and the Whip-poor-will are one and thesame bird, but such has been the case, and among intelli-gent people also, though the mistake has been defin

Black silhouette Scorpion Isolated on White Background vector Stock Vector

RF2D50B2H–Black silhouette Scorpion Isolated on White Background vector

Bugs and Insects Pest Control black vector silhouettes Stock Vector

RF2AAPKCD–Bugs and Insects Pest Control black vector silhouettes

Seventies, black and white photo, forestry, ecology, signboard at the edge of a forest asking tourists not to leave waste in the forest Stock Photo

RMBA3REM–Seventies, black and white photo, forestry, ecology, signboard at the edge of a forest asking tourists not to leave waste in the forest

. Botany for agricultural students . Botany. SOIL MICRO-ORGANISMS 155 occurs well mixed with sand and clay. It adds to the soil various organic substances, some useful and some harmful, enables the soil to retain more moisture, makes the soil Ught, and makes the soil a suitable place for micro-organisms to live. Soil Micro-organisms. — The soil is the home of innumerable organisms, some plants and some animals, all of which are related to soil fertility. They are of three kinds, Fungi, Bacteria, and Protozoa. These organisms, influencing the soil fertility and having their activities in turn i Stock Photo

RMPG42X9–. Botany for agricultural students . Botany. SOIL MICRO-ORGANISMS 155 occurs well mixed with sand and clay. It adds to the soil various organic substances, some useful and some harmful, enables the soil to retain more moisture, makes the soil Ught, and makes the soil a suitable place for micro-organisms to live. Soil Micro-organisms. — The soil is the home of innumerable organisms, some plants and some animals, all of which are related to soil fertility. They are of three kinds, Fungi, Bacteria, and Protozoa. These organisms, influencing the soil fertility and having their activities in turn i

Lion, Panthera leo, monochrome image of adult male roaring in the night while standing on short vegetation, Etosha National Park Namibia, 11 July 2022 Stock Photo

RM2JMPRN1–Lion, Panthera leo, monochrome image of adult male roaring in the night while standing on short vegetation, Etosha National Park Namibia, 11 July 2022

Mouse steals spoils food at night. Image from thermal imager device. Medium infrared spectrum Stock Photo

RF2X67F7G–Mouse steals spoils food at night. Image from thermal imager device. Medium infrared spectrum

Colorado potato beetle on the sand. Harmful insect isolated on a sand background. The Colorado beetle in close-up. Stock Photo

RF2JRM5RW–Colorado potato beetle on the sand. Harmful insect isolated on a sand background. The Colorado beetle in close-up.

RF2GKN6TT–Bug chemical icon outline vector. Insecticide control. Pest spray

RF2AXW1Y7–worm icon vector. Isolated contour symbol illustration

RF2AF8K7P–Pest control glyph icons set. Extermination. Harmful animals and insects. Silhouette symbols. Vector isolated illustration

RF2C3HJCG–Plastic bag and dead fish in the water. Plastic pollution in the environment. Harmful effects of waste on wildlife. Endangered ocean animals. Vector

Injured woman and injured dog sitting on a couch Stock Photo

RFB32TW3–Injured woman and injured dog sitting on a couch

Water Sea River Fish Animal Attacking Hurting Human Stick Figure Pictogram Icon Stock Vector

RFF5HDGJ–Water Sea River Fish Animal Attacking Hurting Human Stick Figure Pictogram Icon

. Wild life near home . two old owls ate, andleaving out of the count the two frogs, it is withinlimits to reckon not less than six small animalsbrought to the hollow gum every night of thethree weeks that these young owls were depen-dent for food—a riddance in this short time ofnot less than one hundred and twenty-five musk-rats, mice, and voles. What four boys in thesame time could clear the meadows of half thatnumber? And these animals are all harmful,the muskrats exceedingly so, where the meadowsare made by dikes and embankments. Not a tree in South Jersey that spring bore amore profitable Stock Photo

RM2CNW6DC–. Wild life near home . two old owls ate, andleaving out of the count the two frogs, it is withinlimits to reckon not less than six small animalsbrought to the hollow gum every night of thethree weeks that these young owls were depen-dent for food—a riddance in this short time ofnot less than one hundred and twenty-five musk-rats, mice, and voles. What four boys in thesame time could clear the meadows of half thatnumber? And these animals are all harmful,the muskrats exceedingly so, where the meadowsare made by dikes and embankments. Not a tree in South Jersey that spring bore amore profitable

. Readings in evolution, genetics, and eugenics. Evolution; Heredity; Eugenics. 202 READINGS IN EVOLUTION, GENETICS, AND EUGENICS orchid blossom. It deceives butterflies and other insects, which it captures as they approach the seeming flower. In Java there is a spider which resembles a bit of bird excrement upon which butterflies are so apt to hght. This resemblance enables it to capture the butterflies upon which it feeds.". Fig. 42.—Kallima, the "dead-leaf butterfly." {From Jordan attd Kellogg.) Warning coloration.—Many .animals that are for various reasons harmful or dangero Stock Photo

RMPG1EY5–. Readings in evolution, genetics, and eugenics. Evolution; Heredity; Eugenics. 202 READINGS IN EVOLUTION, GENETICS, AND EUGENICS orchid blossom. It deceives butterflies and other insects, which it captures as they approach the seeming flower. In Java there is a spider which resembles a bit of bird excrement upon which butterflies are so apt to hght. This resemblance enables it to capture the butterflies upon which it feeds.". Fig. 42.—Kallima, the "dead-leaf butterfly." {From Jordan attd Kellogg.) Warning coloration.—Many .animals that are for various reasons harmful or dangero

100 insects icons set, outline style Stock Vector

RFJ3A19K–100 insects icons set, outline style

RF2AXW1CX–worm icon vector. Isolated contour symbol illustration

Pest control linear icons set. Extermination. Harmful animals and insects. Thin line contour symbols. Isolated vector outline illustrations Stock Vector

RF2AF8HHF–Pest control linear icons set. Extermination. Harmful animals and insects. Thin line contour symbols. Isolated vector outline illustrations

RF2C3HJCJ–Plastic bag and plastic bottle next to dead fish in the water. Plastic pollution concept. Poisoned sea animals due to toxic waste. Black line icon

Father protecting his son with a gun in hand Stock Photo

RFB32YH0–Father protecting his son with a gun in hand

RFF5HDGK–Wild Animal Attacking Hurting Human Stick Figure Pictogram Icon

. The animals of the world. Brehm's life of animals;. Mammals. THE TAUANSUA, This repulsive looking creature, which is also known as the Caguare, is an inhab- itant of South American forests and is a species of the Tree-climbing Ant-eaters. The powerful claws, elongated snout and long, prehensile tail are notable features of the animal here depicted. {Tamandua teiradaciyla.) harmful, they are exceedingly useful in diminishing the numbers of the Termites and Ants, which have multiplied to such an extent in some portions of Paraguay that entire plantations are overrun and devastated by them. The Stock Photo

RMRDHDHN–. The animals of the world. Brehm's life of animals;. Mammals. THE TAUANSUA, This repulsive looking creature, which is also known as the Caguare, is an inhab- itant of South American forests and is a species of the Tree-climbing Ant-eaters. The powerful claws, elongated snout and long, prehensile tail are notable features of the animal here depicted. {Tamandua teiradaciyla.) harmful, they are exceedingly useful in diminishing the numbers of the Termites and Ants, which have multiplied to such an extent in some portions of Paraguay that entire plantations are overrun and devastated by them. The

. A manual of weeds : with descriptions of all the most pernicious and troublesome plants in the United States and Canada, their habits of growth and distribution, with methods of control . Weeds. GRAMINEAE {GRASS FAMILY) 41 one-seeded, the glumes exceedingly narrow and tipped with long bristles, the lemma with an acute callus; awn four to eight inches long, rough-hairy and twisted in the lower part, extremely slendef, flexible, and thread-like; not harmful when caught in the coats of animals but very objectionable in hay. Means of control the same as for the preceding species. POVERTY-GRASS A Stock Photo

RMPG23M4–. A manual of weeds : with descriptions of all the most pernicious and troublesome plants in the United States and Canada, their habits of growth and distribution, with methods of control . Weeds. GRAMINEAE {GRASS FAMILY) 41 one-seeded, the glumes exceedingly narrow and tipped with long bristles, the lemma with an acute callus; awn four to eight inches long, rough-hairy and twisted in the lower part, extremely slendef, flexible, and thread-like; not harmful when caught in the coats of animals but very objectionable in hay. Means of control the same as for the preceding species. POVERTY-GRASS A

RF2GK5N5C–Bug chemical icon outline vector. Insecticide control. Pest spray

RF2AXW29M–worm icon vector. Isolated contour symbol illustration

. Diseases of the dog and their treatment. Dogs. Haematopinus piliferus Trichodectes latus. Tlie accompanying small lines give the uatural size of tlie parasite. and rubbing, causing infiammatory efflorescences. which look very much like squamous eczema, with partial loss of hair and forma- tion of scabs. The diagnosis is usually easy, as we can see the parasites and their eggs by separating the hair. Theeapeutic Treatment. This consists of destroying the parasites and their eggs. For that purpose it is often requisite to clip the animals. The safest and least harmful agents are decoctions of Stock Photo

RMRE0BC7–. Diseases of the dog and their treatment. Dogs. Haematopinus piliferus Trichodectes latus. Tlie accompanying small lines give the uatural size of tlie parasite. and rubbing, causing infiammatory efflorescences. which look very much like squamous eczema, with partial loss of hair and forma- tion of scabs. The diagnosis is usually easy, as we can see the parasites and their eggs by separating the hair. Theeapeutic Treatment. This consists of destroying the parasites and their eggs. For that purpose it is often requisite to clip the animals. The safest and least harmful agents are decoctions of

. Botany for agricultural students . Botany. SOIL SOLUTION 157. many kinds of soil Bacteria, breaking up compounds in different ways to secure energy and food, not all results of their activi- ties in the soil can be expected to be desirable ones. The Protozoa, which are small one-celled animals of which the Amoeba is one type, are abundant in rich soils, where they are thought to exert a harmful in- fluence on the soil fertility by feeding on the Bacteria. The evidence for this accusation is that soils are more fertile after being subjected to temperatures or poisons which kill the Protozoa b Stock Photo

RMPG0R80–. Botany for agricultural students . Botany. SOIL SOLUTION 157. many kinds of soil Bacteria, breaking up compounds in different ways to secure energy and food, not all results of their activi- ties in the soil can be expected to be desirable ones. The Protozoa, which are small one-celled animals of which the Amoeba is one type, are abundant in rich soils, where they are thought to exert a harmful in- fluence on the soil fertility by feeding on the Bacteria. The evidence for this accusation is that soils are more fertile after being subjected to temperatures or poisons which kill the Protozoa b

100 fauna icons set, outline style Stock Vector

RFJ3A18M–100 fauna icons set, outline style

RF2AXW1Y3–worm icon vector. Isolated contour symbol illustration

RMRE0BCA–. Diseases of the dog and their treatment. Dogs. Haematopinus piliferus Trichodectes latus. Tlie accompanying small lines give the uatural size of tlie parasite. and rubbing, causing infiammatory efflorescences. which look very much like squamous eczema, with partial loss of hair and forma- tion of scabs. The diagnosis is usually easy, as we can see the parasites and their eggs by separating the hair. Theeapeutic Treatment. This consists of destroying the parasites and their eggs. For that purpose it is often requisite to clip the animals. The safest and least harmful agents are decoctions of

. Nature-study; a manual for teachers and students. Nature study. LESSONS WITH PLANTS 319 starch in tubers, roots, root-stalks, and other parts as a reserve supply. Seeds also contain reserve food, sometimes in the form of starch as in grains, sometimes in the form of oils as in many nuts, and in other forms. It is chiefly in this form that man utilizes the food obtained from plants. As a by-product in starch-making, plants give off oxygen gas. They absorb,for their food the carbon di- oxide which is harmful to animals, and return to the air the oxygen which the latter need. Animals, on the ot Stock Photo

RMPG3W0B–. Nature-study; a manual for teachers and students. Nature study. LESSONS WITH PLANTS 319 starch in tubers, roots, root-stalks, and other parts as a reserve supply. Seeds also contain reserve food, sometimes in the form of starch as in grains, sometimes in the form of oils as in many nuts, and in other forms. It is chiefly in this form that man utilizes the food obtained from plants. As a by-product in starch-making, plants give off oxygen gas. They absorb,for their food the carbon di- oxide which is harmful to animals, and return to the air the oxygen which the latter need. Animals, on the ot

RF2AXW1NN–worm icon vector. Isolated contour symbol illustration

. A manual of elementary zoology . Zoology. i6o MANUAL OF ELEMENTARY ZOOLOGY history with that of Paramecium suggests (l) that the destruction of the old nuclei corresponds to that of the meganucleus of Paramecium, (2) that the divisions of the micronuclei of the latter before conjugation may perhaps be the remains of a lost habit of forming a number of gametes like these of Opalina. It does not appear that any of these animals is harmful to the frog. Attention may now be called to certain facts of the behaviour of pro- Rl f tozoan nuclei which, doubtful of interpretation though Protozoan&quot Stock Photo

RMRDHRHT–. A manual of elementary zoology . Zoology. i6o MANUAL OF ELEMENTARY ZOOLOGY history with that of Paramecium suggests (l) that the destruction of the old nuclei corresponds to that of the meganucleus of Paramecium, (2) that the divisions of the micronuclei of the latter before conjugation may perhaps be the remains of a lost habit of forming a number of gametes like these of Opalina. It does not appear that any of these animals is harmful to the frog. Attention may now be called to certain facts of the behaviour of pro- Rl f tozoan nuclei which, doubtful of interpretation though Protozoan&quot

. Veterinary surgery ... Veterinary surgery; Veterinary pathology; Horses; Teeth; Domestic animals. ANIMAL DENTISTRY. 181 must be condemned in an inspection for soundness. The inferior incisors must be shortened by fiHng from time to time, and the elongated molars must be trimmed to the level of the other teeth. Shortening the superior incisor is useless and inadvisable. Filing or cutting a considerable portion of either the inferior or superior incisors is harmful, as these teeth, having never been subjected to the influence of wear.. Fig. 128. A Typical Case of Prognathism. are sensitive to Stock Photo

RMRDNH82–. Veterinary surgery ... Veterinary surgery; Veterinary pathology; Horses; Teeth; Domestic animals. ANIMAL DENTISTRY. 181 must be condemned in an inspection for soundness. The inferior incisors must be shortened by fiHng from time to time, and the elongated molars must be trimmed to the level of the other teeth. Shortening the superior incisor is useless and inadvisable. Filing or cutting a considerable portion of either the inferior or superior incisors is harmful, as these teeth, having never been subjected to the influence of wear.. Fig. 128. A Typical Case of Prognathism. are sensitive to

RMRDDWR9–. Botany for agricultural students . Botany. SOIL MICRO-ORGANISMS 155 occurs well mixed with sand and clay. It adds to the soil various organic substances, some useful and some harmful, enables the soil to retain more moisture, makes the soil Ught, and makes the soil a suitable place for micro-organisms to live. Soil Micro-organisms. — The soil is the home of innumerable organisms, some plants and some animals, all of which are related to soil fertility. They are of three kinds, Fungi, Bacteria, and Protozoa. These organisms, influencing the soil fertility and having their activities in turn i

. Circular (Pennsylvania Department of Agriculture. Bureau of Zoology.), 1918. Agricultural pests; Agriculture. Plant diseases are caused by bacteria, slime-moulds or fungi, which attack the tissues and interfere with the growth and reproduction of plants. Sometimes moisture or soil conditions produce harmful results which simulate genuine diseases. Bacteria, slime-moulds and fungi are low forms of plant life which attack plant or animal tissues, either living or dead. Plant diseases are distributed by wind, water and animals, or other agencies which may involve direct contact of diseased with Stock Photo

RMREM1B7–. Circular (Pennsylvania Department of Agriculture. Bureau of Zoology.), 1918. Agricultural pests; Agriculture. Plant diseases are caused by bacteria, slime-moulds or fungi, which attack the tissues and interfere with the growth and reproduction of plants. Sometimes moisture or soil conditions produce harmful results which simulate genuine diseases. Bacteria, slime-moulds and fungi are low forms of plant life which attack plant or animal tissues, either living or dead. Plant diseases are distributed by wind, water and animals, or other agencies which may involve direct contact of diseased with

. Elementary botany. Botany. Fig- 47'. Seeds of geum showing the hooklets where the end of the style is kneed. grains are also devoured, and while many such seeds are destroyed, others are not injured, and finally are lodged in suitable places for growth, often remote from the original locality. Thus animals willingly or unwillingly become agents in the dissemination of plants over the earth. Man in the development of commerce is often responsible for the wide distribution of harmful as well as beneficial species. 675. Other plants are more independent, and mechanisms are employed for violentl Stock Photo

RMRDWDW1–. Elementary botany. Botany. Fig- 47'. Seeds of geum showing the hooklets where the end of the style is kneed. grains are also devoured, and while many such seeds are destroyed, others are not injured, and finally are lodged in suitable places for growth, often remote from the original locality. Thus animals willingly or unwillingly become agents in the dissemination of plants over the earth. Man in the development of commerce is often responsible for the wide distribution of harmful as well as beneficial species. 675. Other plants are more independent, and mechanisms are employed for violentl

. Elementary botany. Botany. Fig 471 Seeds of geutn showing the hooklets where the end of the style is Icneed. grains are also devoured, and while many such seeds are destroyed, others are not injured, and finally are lodged in suitable places for growth, often remote from the original localit}-. Thus animals willingly or unwillingly become agents in the dissemination of plants over the earth. Man in the development of commerce is often responsible for the wide distribution of harmful as well as beneficial species. 675. Other plants are more independent, and mechanisms are emploj'ed for violen Stock Photo

RMRE1MRA–. Elementary botany. Botany. Fig 471 Seeds of geutn showing the hooklets where the end of the style is Icneed. grains are also devoured, and while many such seeds are destroyed, others are not injured, and finally are lodged in suitable places for growth, often remote from the original localit}-. Thus animals willingly or unwillingly become agents in the dissemination of plants over the earth. Man in the development of commerce is often responsible for the wide distribution of harmful as well as beneficial species. 675. Other plants are more independent, and mechanisms are emploj'ed for violen

. Veterinary surgery ... Veterinary surgery; Veterinary pathology; Horses; Teeth; Domestic animals. ANIMAL DENTISTRY. 163 fected side uppermost, with a mouth speculum securely ad- justed, is the proper attitude for the repulsion of teeth. The standing posture is never satisfactory. The operating table is par excellence the best method, as the head can be more firmly secured than with the casting harness. General anaesthesia is sometimes harmful, as in the unconscious state blood readily finds its way into the lungs. Location of the openings:—The opening in the skull must be situated so that th Stock Photo

RMRDNHA0–. Veterinary surgery ... Veterinary surgery; Veterinary pathology; Horses; Teeth; Domestic animals. ANIMAL DENTISTRY. 163 fected side uppermost, with a mouth speculum securely ad- justed, is the proper attitude for the repulsion of teeth. The standing posture is never satisfactory. The operating table is par excellence the best method, as the head can be more firmly secured than with the casting harness. General anaesthesia is sometimes harmful, as in the unconscious state blood readily finds its way into the lungs. Location of the openings:—The opening in the skull must be situated so that th

. Botany, with agricultural applications. Botany. 382 THALLOPHYTES breaks through and appears on the surface of the plant body as a cup or disk. Besides being the pioneer plants on rocks and other places where they form soil and thus make it possible for higher plants to get a start, they are also of some economic importance in other ways. In northern re- gions the Lichen known as Rein- deer Moss is an important food for animals. Some forms are used as food by man. Although not parasites, they sometimes are harmful to plants upon which they grow. When growing on the twigs of fruit trees, they Stock Photo

RMRDWD0T–. Botany, with agricultural applications. Botany. 382 THALLOPHYTES breaks through and appears on the surface of the plant body as a cup or disk. Besides being the pioneer plants on rocks and other places where they form soil and thus make it possible for higher plants to get a start, they are also of some economic importance in other ways. In northern re- gions the Lichen known as Rein- deer Moss is an important food for animals. Some forms are used as food by man. Although not parasites, they sometimes are harmful to plants upon which they grow. When growing on the twigs of fruit trees, they

RMRD9WK9–. A manual of weeds : with descriptions of all the most pernicious and troublesome plants in the United States and Canada, their habits of growth and distribution, with methods of control . Weeds. GRAMINEAE {GRASS FAMILY) 41 one-seeded, the glumes exceedingly narrow and tipped with long bristles, the lemma with an acute callus; awn four to eight inches long, rough-hairy and twisted in the lower part, extremely slendef, flexible, and thread-like; not harmful when caught in the coats of animals but very objectionable in hay. Means of control the same as for the preceding species. POVERTY-GRASS A

. The Book of gardening; a handbook of horticulture. Gardening; Horticulture. ON FRUIT CULTURE. 1015 Red Spider, Thrips, Weevils of several sorts, and Wasps, amongst other animals, cause the grower not a little anxiety. They are, however, easily disposed of as compared with the Phylloxera, and methods for successfully dealing with them will be given under their respective headings in the Chapter "On Pests Generally." Fungoid diseases are also fairly numerous and correspondingly harmful. Powdery Mildew (Uncinula spiralis—Oidium Tuckeri) is one on the commonest, and the symptoms of att Stock Photo

RMRDXDGE–. The Book of gardening; a handbook of horticulture. Gardening; Horticulture. ON FRUIT CULTURE. 1015 Red Spider, Thrips, Weevils of several sorts, and Wasps, amongst other animals, cause the grower not a little anxiety. They are, however, easily disposed of as compared with the Phylloxera, and methods for successfully dealing with them will be given under their respective headings in the Chapter "On Pests Generally." Fungoid diseases are also fairly numerous and correspondingly harmful. Powdery Mildew (Uncinula spiralis—Oidium Tuckeri) is one on the commonest, and the symptoms of att

RMRDDWPY–. Botany for agricultural students . Botany. SOIL SOLUTION 157. many kinds of soil Bacteria, breaking up compounds in different ways to secure energy and food, not all results of their activi- ties in the soil can be expected to be desirable ones. The Protozoa, which are small one-celled animals of which the Amoeba is one type, are abundant in rich soils, where they are thought to exert a harmful in- fluence on the soil fertility by feeding on the Bacteria. The evidence for this accusation is that soils are more fertile after being subjected to temperatures or poisons which kill the Protozoa b

. The animals of the world. Brehm's life of animals;. Mammals. 82 THE WING-HANDED ANIMALS. with agility and quickness. They eat insects, only, and for the most part such as are very harmful to Man. They make a loud, whistling, chirping sound. The The Long-eared Bat {Plecotus auritus) Long-Eared cannot be mistaken for any other, be- Bat. cause of its long, large ears. It is one of the largest European Bats, measuring about four inches in length, its tail occupying about one and one-half inches, and the expanse of its wings being ten inches. The ears are more than two inches long, traversed by m Stock Photo

RMRDJ9F4–. The animals of the world. Brehm's life of animals;. Mammals. 82 THE WING-HANDED ANIMALS. with agility and quickness. They eat insects, only, and for the most part such as are very harmful to Man. They make a loud, whistling, chirping sound. The The Long-eared Bat {Plecotus auritus) Long-Eared cannot be mistaken for any other, be- Bat. cause of its long, large ears. It is one of the largest European Bats, measuring about four inches in length, its tail occupying about one and one-half inches, and the expanse of its wings being ten inches. The ears are more than two inches long, traversed by m

. Essentials of biology presented in problems. Biology. 314 THE VERTEBRATE ANIMALS. Skull of a porcupine, a rodent. Notice the large overlapping incisor teeth. Compare them with the teeth of a dog (see page 313). edge because the back part of the teeth is softer and wears away more rapidly. The canine or dog teeth are lacking. We are all familiar with the destructive gnawing qualities of one of the commonest of all ro- dents, the rat. The common brown rat is an example of a mammal, harmful to civilized man, which has fol- lowed in his footsteps all over the world. Starting from China, it sprea Stock Photo

RMRE000W–. Essentials of biology presented in problems. Biology. 314 THE VERTEBRATE ANIMALS. Skull of a porcupine, a rodent. Notice the large overlapping incisor teeth. Compare them with the teeth of a dog (see page 313). edge because the back part of the teeth is softer and wears away more rapidly. The canine or dog teeth are lacking. We are all familiar with the destructive gnawing qualities of one of the commonest of all ro- dents, the rat. The common brown rat is an example of a mammal, harmful to civilized man, which has fol- lowed in his footsteps all over the world. Starting from China, it sprea

RMRDCE9C–. Readings in evolution, genetics, and eugenics. Evolution; Heredity; Eugenics. 202 READINGS IN EVOLUTION, GENETICS, AND EUGENICS orchid blossom. It deceives butterflies and other insects, which it captures as they approach the seeming flower. In Java there is a spider which resembles a bit of bird excrement upon which butterflies are so apt to hght. This resemblance enables it to capture the butterflies upon which it feeds.". Fig. 42.—Kallima, the "dead-leaf butterfly." {From Jordan attd Kellogg.) Warning coloration.—Many .animals that are for various reasons harmful or dangero

. Introduction to botany. Botany. WEEDS 335 312. How weeds injure the farm and garden.^ Although some weeds are of use as food for man or the lower animals, and a few have medicinal properties, their presence m the farm or garden is on the whole most harmful in the following ways: 1. Weeds take moisture needed by useful plants. 2. Weeds rob the soil of val- uable salts, such as nitrates and potash compounds, and it is probable that they may add secretions that are injurious. 3. Weeds shade other plants, thus weakening them by hindering pho- tosynthesis. 4. A few para- sitic weeds, like the clo Stock Photo

RMRE2JBH–. Introduction to botany. Botany. WEEDS 335 312. How weeds injure the farm and garden.^ Although some weeds are of use as food for man or the lower animals, and a few have medicinal properties, their presence m the farm or garden is on the whole most harmful in the following ways: 1. Weeds take moisture needed by useful plants. 2. Weeds rob the soil of val- uable salts, such as nitrates and potash compounds, and it is probable that they may add secretions that are injurious. 3. Weeds shade other plants, thus weakening them by hindering pho- tosynthesis. 4. A few para- sitic weeds, like the clo

RMRDHFBD–. Nature-study; a manual for teachers and students. Nature study. LESSONS WITH PLANTS 319 starch in tubers, roots, root-stalks, and other parts as a reserve supply. Seeds also contain reserve food, sometimes in the form of starch as in grains, sometimes in the form of oils as in many nuts, and in other forms. It is chiefly in this form that man utilizes the food obtained from plants. As a by-product in starch-making, plants give off oxygen gas. They absorb,for their food the carbon di- oxide which is harmful to animals, and return to the air the oxygen which the latter need. Animals, on the ot

RMRE54D2–. Nature-study; a manual for teachers and students. Nature study. LESSONS WITH PLANTS 319 starch in tubers, roots, root-stalks, and other parts as a reserve supply. Seeds also contain reserve food, sometimes in the form of starch as in grains, sometimes in the form of oils as in many nuts, and in other forms. It is chiefly in this form that man utilizes the food obtained from plants. As a by-product in starch-making, plants give off oxygen gas. They absorb for their food the carbon di- oxide which is harmful to animals, and return to the air the oxygen which the latter need. Animals, on the ot

Harmful animals Black & White Stock Photos

Harmful animals Black & White Stock Photos

Download Confirmation

Password Confirmation

Search Results for Harmful animals Black & White Stock Photos and Images (58)

Filter by agency collections

Search builder

Get great features with your free account

Get inspired for your next project!