2^5 



with pale green; flanks pale green or spotted with pale green, 

 or with pale spots on the outer row of scales; some specimens 

 uniformly green. Lower surface olive or greenish-white, uniform 

 or spotted with black. Length of head and body 830 mm.; 

 tail 150 mm. 



Habitat: Sumatra (Deli). — Malay Peninsula!; Penang!; 

 Singapore; Andamans; Nicobars; Burma; Assam; Bengal; 

 E. Himalayas. 



5. Lachesis gramineus (Shaw). 



Coluber graminetis^ Shaw, Zool. Ill 1802, p. 420. 

 Lachesis gramineus^ Boulenger, Cat. Sn. Ill 1896, p. 554 (s. syn.). 

 Tri me res urns gramineus^ Barbour, Mem. Mus. Conip. Zool. Ilarv. Coll. XLIV 

 1912, p. 141. 



Snout with distinct edge; eye small. Rostral as broad as 

 deep or a little more broad; nasal usually entire; scales on the 

 head small, smooth; supraocular narrow, sometimes divided; 

 one or two scales between the internasals or latter shields in 

 contact; 8 — 13 scales between the supraoculars; two or three 

 postoculars; a subocular, sometimes in contact with the third 

 labial, usually separated from the labials by one to three series 

 of scales; eight to twelve upper labials, second bordering the 

 loreal pit anteriorly, third largest; temporal scales smooth. 

 Scales almost smooth or keeled, in 21 (19 or 23) rows; ventrals 

 145 — 175; anal entire; subcaudals 52 — 78, in two rows; tail 

 prehensile. 



Bright green above, or olive or yellowish, with or without 

 indistinct black transverse bands; a light, yellowish streak 

 usually present along the outer row of scales; end of tail yellow 

 or red. Lower surface green, yellow or whitish. Length of 

 head and body 720 mm.; tail 150 mm. 



Nom. in dig. Ular bisa (W. Sumatra); oraj bungka (sund.); 

 esau (Timor); semelo (Kupang); keisau (Rotti). 



Habitat: Nias; Sumatra (Deli!, Labuan, Langkat, Battak 

 Highlands 800 — lOOO M., Indrapura, Padang Highlands!); Bor- 

 neo (Kina Balu, Saiap on Kina Balu, Mt. Dulit, Pangkalan 

 ampat); Java! (Batavia, Buitenzorg, Krawang, Semarang); Lom- 

 bok; Sumbawa; Flores!; Adonara!; Alor (Ombaai); Roma!; 

 Sumba!; Rotti; Timor!; Samao!. — Penang; Malay Peninsula; 

 Andamans; Nicobars; S. China; Siam; Bengal; Himalayas; 

 Philippines. 



