Animate creation : popular edition of "Our living world" : a natural history (1898)
Wood, J. G. (John George), 1827-1889, Holder, Joseph B. (Joseph Bassett), 1824-1888, Prang, Louis, 1824-1909, lithographer, Brehm, Alfred Edmund, 1829-1884, Wood, J. G. (John George), 1827-1889. Illustrated natural history, National Zoological Park (U.S.), former owner. DSI · New York : Selmar Hess · leaf 171
The skuli of these animals is very singularly formed, the upper jaw being bent downward over the lower jaw, and terminated by two large incisor teeth. It is supposed that the object of this structure is to assist the animal in gathering together and dragging up by the roots the alge and other… … A THIRD genus of these herbivorous cetaceans is the Rytrna, which is supposed to be now extinct, the last known specimen having been killed in 1768, only twenty-seven years after the creatures were discovered. : The Rytina possessed no true teeth, and masticated its food by means of two bony…
Zoology
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