11. LA.OHBSIS. 



555 



Trimesurua albolabris, Gray, Zool. MisceU. p. 48 (1842), and Cat. 



p. 8. 

 Trigonoceplialus gramineus, part., Cantor, Cat. Mai. JRept. p. 119 



(1847). 

 Trimesuius elegans, Gfray, Ann. Sr Mag. N. H. (2) xii. 1853, p. 391. 

 Bothrops viridis, Dum. Sr Bibr. vii. p. 1512 (1854). 

 Ti'imeresurus gramineus, Giinth. Sept. Brit. Ind. p. 385 (1864) ; 



Stoliczka, Joum. As. Soc. Beng. xxxix. 1870, p. 216 ; Anders. 



Proc. Zool. Soc. 1871, p. 194; Theob. Cat. JRept. Brit. Ind.v- 219 



(1876); Anders. An. Zool. Res. Yunnan, p. 828 (1879); Boettg. 



Ber. Sench. Ges. 1887, p. 60 ; Bouleng. Faun. Ind., Rept. p. 429 



(1890) ; W. Sclater, Joum. As. Soe. Beng. Ix. 1891, p. 248 ; 



Boettg. Ber. Senck. Ges. 1894, p. 135. 

 erythrurus, Gunth. I. <,'. p. 386 ; Stoliczka, I. c. p. 217 ; Fayrer, 



Thanatoph. Ind. pi. xiv. (1874) ; Theoh. I. o. p. 220 ; F. Mull. 



Verh. Nat. Ges. Basel, viii. 1887, p. 280. 

 mutabilia, Stoliczka, I. c. p. 219, pi. xii. fig. 5 ; Theob. I. e. p. 223. 



Snout with distinct canthus ; eye small or rather small. Eostral 

 as deep as broad or a little broader than deep ; nasal usually entire ; 

 upper head-scales small, smooth, imbricate or subimbrioate, 8 to 13 

 in a transverse series between the supraoculars, which are narrow 

 (rarely divided) ; internasals in contact or separated by one or two 

 scales; two or three postoeulars and a subocular; latter sometimes 

 in contact with the third labial ; usually one or two, rarely three, 

 series of scales between the subocular and the labials ; temporal 

 scales smooth ; 8 to 12 upper labials, second forming the anterior 

 border of the loreal pit, third largest. Scales nearly smooth or 

 more or less distinctly keeled, in 21 (rarely 19 or 23) rows. 

 Ventrals 145-175 ; anal entire ; subcaudals 53-75. Tail more or 

 less distinctly prehensile. Bright green above, rarely olive or 

 yellowish, with or without ill-defined blackish cross-bands ; usually 

 a light, white or yellow streak along the outer row of scales ; end 

 of tail often yellow or red ; lower parts green, yellow, or whitish. 



Total length 870 miUim. ; tail 150. 



South-eastern Asia. 



a-b. Hgr. cj (V. 161; Ladak. 



C.75)&hgr.$(V.162; 



C. 49). 

 c. d (V. 167 ; C. 76). Bimtal, 4400 ft. 



d-e. $ (V. 164 ; C. 68) Darjeeling. 



& hgr. S (V. 159 J 



C. 61). 

 f-h, i. d (V. 165, 164; Daijeeling. 



C.?, 64), ? (V. 161; 



C. 58), &yg. (V. 147; 



C. 65). 

 k. (J (V. 157; C. 57). Sikkim. 



/. Yg. (V. 168 ; 0. 61). Sikkim. 



m-ra. cJ (V. 168, 166 ; Himalayas. 



C. 62, 69). 

 0. Hgr. ? (Sc. 19 ; V. 149 ; Khasi hills. 



C. 66). 



Strachey, Esq. [P.]. 



Dr. Cantor. 



W. T. Blanford, Esq. 



[P.]. 



T. C. Jerdon, Esq. [P.]. 



Sir J. Hooker [P.]. 

 Sir J. Hooker [P.]. 

 (Type of T. elegans.) 

 Col. Beddome [0.]. 



Dr. Griffith. 



