. Natural history of the animal kingdom for the use of young people : in three parts, comprising I. Mammalia : II. Birds : Part III. Reptiles, amphibia, fishes, insects, worms, molluscs, zoophytes, &c. : with 91 coloured plates, including about 850 figures, and numerous additional illustrations in the text . h a palelongitudinal line, andmeasures about fourfeet in length. It livesin trees in South America and glides along with greatswiftness. Section 11. Venomous Snakes. In the Sea-Snakes, the head is small and oval,and the body is thickest behind. They are very venomous and are generally abou
. Natural history of the animal kingdom for the use of young people : in three parts, comprising I. Mammalia : II. Birds : Part III. Reptiles, amphibia, fishes, insects, worms, molluscs, zoophytes, &c. : with 91 coloured plates, including about 850 figures, and numerous additional illustrations in the text . h a palelongitudinal line, andmeasures about fourfeet in length. It livesin trees in South America and glides along with greatswiftness. Section 11. Venomous Snakes. In the Sea-Snakes, the head is small and oval,and the body is thickest behind. They are very venomous and are generally about four or five feetin length. They are found in the the Indian Ocean,and frequently enter the mouths of rivers. Theyare perfectly adapted to a aquatic life, for the tailis laterally compressed to form a rudder, and theirnostrils can be closed by valves. Plate III. fig. c. The Black-backed Sea-Snake(Pdaviis bicolor) is black and yellow. Its range extendsto the coast of Tahiti, where it is a favourite dishwith the natives. The Rattlesnakes have very large poison-fangs,and there is a depression on each side of the facenear the nostril. At the end of the tail is a looselyconnected rattle consisting of horny rings which in-crease in number every year. The most represen-tative species are all American. a e. Skull of Ratlle-Snake. a) Brain-Cavity, b) Tipper Jaw. Poison-Apparatus of Rattle-Snake .1) Nostril, b) Poison-fang, c) Salivary glandsV) Temporal Muscle, e) Poison gland.
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Keywords: ., bookcentury1800, bookpublisherlondon, booksub, booksubjectzoology
