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. Brehm's Life of animals : a complete natural history for popular home instruction and for the use of schools. Mammals; Animal behavior. ZU Mbales. THIRTEENTH ORDER: Cetacea.. HALES are among the mammals what the fish are among the vertebrates: creatures belonging exclu- sively to the water and an- atomically constructed in accordance with the neces- sities of such a mode of life. Their size is an indi- cation of this: for the water alone admits of the easy progress of such giants, and only the infinite abun- dance of the sea affords them the required nourishment. The Whales exhibit the warm

. Brehm's Life of animals : a complete natural history for popular home instruction and for the use of schools. Mammals; Animal behavior. ZU Mbales. THIRTEENTH ORDER: Cetacea.. HALES are among the mammals what the fish are among the vertebrates: creatures belonging exclu- sively to the water and an- atomically constructed in accordance with the neces- sities of such a mode of life. Their size is an indi- cation of this: for the water alone admits of the easy progress of such giants, and only the infinite abun- dance of the sea affords them the required nourishment. The Whales exhibit the warm  Stock Photo
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Library Book Collection / Alamy Stock Photo

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RH5YWR

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7.1 MB (312.1 KB Compressed download)

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1438 x 1737 px | 24.4 x 29.4 cm | 9.6 x 11.6 inches | 150dpi

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. Brehm's Life of animals : a complete natural history for popular home instruction and for the use of schools. Mammals; Animal behavior. ZU Mbales. THIRTEENTH ORDER: Cetacea.. HALES are among the mammals what the fish are among the vertebrates: creatures belonging exclu- sively to the water and an- atomically constructed in accordance with the neces- sities of such a mode of life. Their size is an indi- cation of this: for the water alone admits of the easy progress of such giants, and only the infinite abun- dance of the sea affords them the required nourishment. The Whales exhibit the warm blood, the breath- ing through the lungs, the suckling of the young and all other essential features of the mammalia, along with the other orders of the class. In every other respect, however, they deviate from the higher mammalia still more than do the Sirenia. Slightly educated persons, and nations in the childhood of civilization, have invariably classed them among the fishes, and only the close modern investigation of their character has assigned them their proper place. General Descrip- The body of the Whales is bulky, tion of the clumsy, and devoid of any external Whales. joints. The head is frequently mon- strously large and as a rule unsymmetrical, and merges into the trunk of the body without distinct demarcation of a neck region; the trunk tapers backwards, and terminates in a broad, horizontal tail-fin. The hinder limbs, which distinguish all other mammalia, with the exception of the Sirenia, are absent; the fore pair have become fins: one has to examine these with the dissecting knife, if he wishes to discover the digits in them, and even then he finds peculiarities of structure. An occasional dorsal fin, which extends along the spine, still fur- ther increases the resemblance of these animals to fish. Otherwise the Whales are characterized exter- nally by the wide-gaping mouth, devoid of lips, and provided either with an abnormally large number of teeth or barbs; b

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