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Utility animals Black & White Stock Photos

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Utility animals Black & White Stock Photos

. Human physiology. and point out the distinguishing characteristics of each. 3. Why are the canine teeth so called ? In which of the lower animals do we find such teeth well developed ? 4. Show in what way the form of a molar tooth is well adapted to the purpose for which it is used. How is the utility of the molar still further increasedby the movements of the lower jaw ? 5. Describe the arrangement of the teeth in a child of about six years. 6. Describe the arrangement of the different kinds of teeth in the jaws of an adult, giving also the number of each kind. 7. Describe fully the structu Stock Photo
RM2CF0B67–. Human physiology. and point out the distinguishing characteristics of each. 3. Why are the canine teeth so called ? In which of the lower animals do we find such teeth well developed ? 4. Show in what way the form of a molar tooth is well adapted to the purpose for which it is used. How is the utility of the molar still further increasedby the movements of the lower jaw ? 5. Describe the arrangement of the teeth in a child of about six years. 6. Describe the arrangement of the different kinds of teeth in the jaws of an adult, giving also the number of each kind. 7. Describe fully the structu
. Illustrated natural history : comprising descriptions of animals, birds, fishes, reptiles, insects, etc., with sketches of their peculiar habits and characteristics . Zoology. RUN NEKS 289 The voice of the Emu is a kind of low booming sound. The eggs are six or seven in number, of a dark green color, and are much esteemed by the natives as food. When the natives take an Emu, they break its wings, a curious custom, of no per- ceptibk. utility. Young men and boys are not permitted to eat the flesh of this bird. The APTERYX.-^This extraordinary bird, whose name is derived from the apparent abse Stock Photo
RMPFYHA2–. Illustrated natural history : comprising descriptions of animals, birds, fishes, reptiles, insects, etc., with sketches of their peculiar habits and characteristics . Zoology. RUN NEKS 289 The voice of the Emu is a kind of low booming sound. The eggs are six or seven in number, of a dark green color, and are much esteemed by the natives as food. When the natives take an Emu, they break its wings, a curious custom, of no per- ceptibk. utility. Young men and boys are not permitted to eat the flesh of this bird. The APTERYX.-^This extraordinary bird, whose name is derived from the apparent abse
. Text-book of zoology for schools and colleges. Zoology. OEDEES OP MAMMALIA. 303 other respects, the Cavicornia are to be regarded as being the most typical examples of the Muminantia, and they in- clude a number of animals which are of the highest utility to man. The Antelopes form a very extensive group, closely re- sembling the true Deer, but distinguished by the possession of hollow horns, in place of solid antlers. Most of the Ante- lopes are African, and there are only two European forms (the Chamois being one), while America possesses only the Prong- buck [Antilope furcifer). Among the Stock Photo
RMRE0ATH–. Text-book of zoology for schools and colleges. Zoology. OEDEES OP MAMMALIA. 303 other respects, the Cavicornia are to be regarded as being the most typical examples of the Muminantia, and they in- clude a number of animals which are of the highest utility to man. The Antelopes form a very extensive group, closely re- sembling the true Deer, but distinguished by the possession of hollow horns, in place of solid antlers. Most of the Ante- lopes are African, and there are only two European forms (the Chamois being one), while America possesses only the Prong- buck [Antilope furcifer). Among the
. Illustrated natural history : comprising descriptions of animals, birds, fishes, reptiles, insects, etc., with sketches of their peculiar habits and characteristics . Zoology. RUN NEKS 289 The voice of the Emu is a kind of low booming sound. The eggs are six or seven in number, of a dark green color, and are much esteemed by the natives as food. When the natives take an Emu, they break its wings, a curious custom, of no per- ceptibk. utility. Young men and boys are not permitted to eat the flesh of this bird. The APTERYX.-^This extraordinary bird, whose name is derived from the apparent abse Stock Photo
RMRDAFRF–. Illustrated natural history : comprising descriptions of animals, birds, fishes, reptiles, insects, etc., with sketches of their peculiar habits and characteristics . Zoology. RUN NEKS 289 The voice of the Emu is a kind of low booming sound. The eggs are six or seven in number, of a dark green color, and are much esteemed by the natives as food. When the natives take an Emu, they break its wings, a curious custom, of no per- ceptibk. utility. Young men and boys are not permitted to eat the flesh of this bird. The APTERYX.-^This extraordinary bird, whose name is derived from the apparent abse
. The wonder of life. Biology; Natural history; Zoology. THE HAUNTS OF LIFE 95 to good account as a means of attracting insects, no one has ever suggested any utility in the gorgeous colours of the autumn woods. They are the outcome of very im- portant physiological processes, but they are not them- selves of use; and the same is probably true of the reds and other bright hues of many abyssal animals. Another general problem—the most general of all—is raised by the fact that many Deep-Sea animals are quite closely related to shore animals, with essentially the. Fig. 32.—Two Deep-Sea Fishes. L, Stock Photo
RMRE0BX8–. The wonder of life. Biology; Natural history; Zoology. THE HAUNTS OF LIFE 95 to good account as a means of attracting insects, no one has ever suggested any utility in the gorgeous colours of the autumn woods. They are the outcome of very im- portant physiological processes, but they are not them- selves of use; and the same is probably true of the reds and other bright hues of many abyssal animals. Another general problem—the most general of all—is raised by the fact that many Deep-Sea animals are quite closely related to shore animals, with essentially the. Fig. 32.—Two Deep-Sea Fishes. L,
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