The Poisonous Snakes of India/TRIMERESURUS CARINATUS
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TRIMERESURUS CARINATUS.
One of the Crotalidæ or Pit Vipers, found in Bengal, Sikkim, and sub-Himalaya and Burmah. Günther's description is as follows:--“The second upper labial shield forms the front part of the facial pit. Scales in from twenty-three to twenty-five rows; those on the crown of the head and on the temples small, strongly carinated. Ventrals, 164-169; sub-caudals, 34-60. Grass green above, tail yellowish green; a more or less distinct yellowish line runs along the outer series of scales, and is sometimes absent. Lower parts greenish white. The general colour is usually green; sometimes there are large blackish spots on the sides; the lateral line is either well developed, white margined, with coral red below, or it is absent. Tail pale, ruddy above, usually equal to one-sixth the total length."