. Text-book of zoology for junior students. Zoology. 2GS VERTEBRATE ANIMALS. the poison-fang. Tlie head is broad, soniewliat triangular in shape, broadest in its middle, and sliowing a very distinct line of demarcation between the head and neclv. Tlie head, also, is usually covered with small scales (fig. 193, 0), and rarely exhibits large plates or "; The Crotalids have a deep pit between the eye and the nostril, l\y wliich they are distinguished from tlie true Vipi^rs, and Irom which they have acquired the common name of " ; ("2.) Tlie Khrpina are po
. Text-book of zoology for junior students. Zoology. 2GS VERTEBRATE ANIMALS. the poison-fang. Tlie head is broad, soniewliat triangular in shape, broadest in its middle, and sliowing a very distinct line of demarcation between the head and neclv. Tlie head, also, is usually covered with small scales (fig. 193, 0), and rarely exhibits large plates or "; The Crotalids have a deep pit between the eye and the nostril, l\y wliich they are distinguished from tlie true Vipi^rs, and Irom which they have acquired the common name of " ; ("2.) Tlie Khrpina are poisonous Snakes, in which the poison-fangs are per- manently fixed and erect, and have smaller solid teeth behind tlicm. Tlie head (fig. , A) is sliield-sliaped, and not much wider tlian the liody, its upper surface lieing covered with large shields or scuta. This group comprises some of the most deadly of all the Serpents, one of the best Ivuown being the Hooded Snake or Cobra di Ccqjdlo {jVaJa /n'jjUAllans), which is commonly found in. Fi;,'. l!l:;.^0]ihiiba. A, llrail nf an Elapiiie Snake (Dungaiiis fasfiafus), "\newed from aliinc. H, H.''ii ro!iili:iiM'Siiiikc (J' Ho/rir). C, Head iif a Yiperiiie Siiaki- {Dahâia ruixsdlii). (A and C are aller Sir .Tiiseiih Fayrcr; B is after Bell.) Ilimlostan, and is tlie snake usually carried iibont by the Imlian Sliake- c hariiicis. II varies IVoiii two tn six feet in leiigUi, and the neck can be cxtrlJ^ively dilated, covering the head like a liood. A nearly allied species is the iV»>( // (tig. 189) of Egyjd, The genus Bmigariis, including the deadly " Ker:iit" (/;. L'lini/riis) of India, is nearly allied to A'aja, but the neck is not dilatable. Aiiin ica has rrjircsciil;iti\es of this faiiiilyin the beautifully marked I iiral-siiakcs and I | ( Klujrs) ; and they abound in the Australian region, a well klinwn ty|ic being the 1 Icat li-adder {Aniil/lni/ili is). (â¢â ).) 'I'
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectzoology, bookyear1885
