THE PSINCIFAL SPECIES OF POISONOUS SNAKES 



Total length, 9S0 uiillimetres ; tail 150. 



Habitat: Himalayas, Bengal, Assam, Burma, Malay Peninsula, 

 Andaman and Nicobar Islands, Pulo-Pinang, Sumatra. 



IV. Scales in 21 rows (rarely 

 19 or 23) ; 7 — 13 series of scales 

 between the supraoculars ; tail 

 more or less ]}reliensile . 



(10) L. gramineus (Syn. Tri- 

 meresurus gramineus. The Green 

 Pit Viper).— 145 — 175 ventral 

 scales ; 53 — 75 subcaudals ; snout 

 slightly projecting ; supraocular 

 shield narrow. 



Colour bright green, rarely 

 olive or yellowish, with or with- 

 out darker transverse bands ; end 

 of tail yellow or red ; belly green, 

 yellow, or white. 



Total length, 870 millimetres ; 

 tail 150. 



Habitat : South-eastern Asia, 

 Darjeelmg, Hhnalayas, Ganges 

 Delta, Siam, Southern China, 

 Hong Kong, Formosa, Java, 

 Sumatra, Timor. 



(11) L. jiavomacidatus (fig. 

 33)._170 — 187 ventral scales ; 

 53 — 73 subcaudals ; snout pro- 

 jecting, obliquely truncate; supraocular shield narrow. 



Colour bright green or olive, sometimes barred with reddish- 

 brown ; belly green, olive, or greenish-yellow ; end of tail sometimes 

 red. 



Total length, 1,060 millimetres ; tail 1(30, 



Habitat : Philippine Islands. 



Fig. 33. — Lachesis JJavomaculatus. 

 (After G. A. Boulenger, op. cit.) 



