Venoms; venomous animals and antivenomous serum-therapeutics . Fig. li.—Arrangement of the Scales of the Head in one of the PoisonousColubridce {Naja tripudians, or Cobra-di-Capello). (After Sir Joseph Fayrer.) The shape and dimensions of the scales of the head are highlycharacteristic in each species. It is therefore necessary to knowtheir names and the arrangement that they exhibit: these detailsare shown with sufficient clearness in figs. 13 and 14. Coloration.—The colouring exhibited by the scales of snakesis governed generally by the biological laws of mimlcnj. It istherefore not a charac
Venoms; venomous animals and antivenomous serum-therapeutics . Fig. li.—Arrangement of the Scales of the Head in one of the PoisonousColubridce {Naja tripudians, or Cobra-di-Capello). (After Sir Joseph Fayrer.) The shape and dimensions of the scales of the head are highlycharacteristic in each species. It is therefore necessary to knowtheir names and the arrangement that they exhibit: these detailsare shown with sufficient clearness in figs. 13 and 14. Coloration.—The colouring exhibited by the scales of snakesis governed generally by the biological laws of mimlcnj. It istherefore not a character of specific value, and may be modifiedseveral times in the course of the existence of the same reptile,according to the surroundings in which it is obliged to live. 16 VENOMS Nature, write Dumeril and Bibron, seems to have causedthe tints and colours of snakes to vary in accordance with theirhabits and modes of hfe. Generally speaking, the colours aregreyish or dull in species that are wont to live among sand, orwhich bury themselves in loose earth,
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Keywords: ., bookcentury1900, bookdecade1900, booksubject, booksubjectserpents
