60, COLTIBEE. 57 



Gonyosoma viride, Wa(/l. Icon. Amjjh. pi. ix. (1828). 

 Herpetodryas oxycephalus, .S'cA%. Fki/s. Seiy. ii. p. 189, pi. vii. 



figs. 8 & (1837), and Abbild. pi. xliv. figs. 1-9 (1844) ; Cantor, 



Cat. Mai. Rept. p. 80 (1847). 

 Alopecophis chalybeus, Gray, Ann. ^ Mag. N. S. (2) iv. 1849, 



p. 247. 

 Gonyosoma oxyceT^h'dlnm, Bum. Sr Bibr. Yu. p. 213 (1854); Gilnth. 



Cat. p. 122 (1858), a?id Rept. Brit. hid. p. 294 (1864) ; Jan, Icon. 



Gen. 31, pi. i. (1809) ; Stoliczka, Journ. As. Soc. Bemj. xsxix. 1870, 



p. 193, & xlii. 1873, p. 123 ; Theob. Cat. Rept. Brit. Ind. p. 189 



(1876). 



Body rather compressed. Snout subacuminate, elongate, obliquely 

 truncate and projecting ; rostral nearly as deep as broad, visible 

 from above ; internasals one half to two thirds as long as the pra;- 

 frontals, which are more than half as long as the parietals ; frontal 

 as long as broad, or a little longer, as long as its distance from the 

 rostral or the end of the snout, a little shorter than the parietals ; 

 loreal very elongate ; one large prteocular, in contact with the 

 frontal; two post oculars ; temporals 2+3; nine to eleven upper 

 labials, two (rarely three) of which (fifth and sixth or sixth and 

 seventh) enter the eye ; six lower labials in contact with the ante- 

 rior chin-shields, which are much longer than the posterior. Scales 

 in 23 to 27 rows, smooth or faintly keeled. Ventrals with a lateral 

 keel, 233 to 263; anal divided; subcaudals 122-149. Bright 

 green above, the scales usually finely edged with black ; yellowish 

 or pale green below ; a blackish streak along each side of the head, 

 passing through the eye; tail usually yellowish brown. 



Total length 2300 millim. ; tail 480. 



Eastern Himalayas, Malay Peninsula and Archipelago. 



a. 2 (So. 25; V. 258; Tenasserim. Prof. Oldham [P.]. 

 C. 123). 



b. Hgr. (So. 27 ; V. 248 ; Pinang. . Dr. Cantor. 

 C. 142). 



c d '^ (Sc. 25, 23; V, Singapore. Gen. Hardwicke [P.]. 



252,238; C. 136,139). 



e. c? (Sc. 25; V. 233; 0. Borneo. Sir J. Brooke [P.]. 

 133). 



f. ^ (Sc. 25 ; V. 241 ; C. Borneo. L. L. DiUwyn, Esq. 

 ■ 136). [P-]- ^ ^^ 



g. h. 2 (Sc. 27 ; V. 251 ; Philippines. H. Cuming, Esq. ^C.]. 

 C. 122) &vg. (Sc. 25; 



V. 245 ; C.'122). 

 i-k, I. S (So. 25 ; V. 240 ; Java. 



C. 143), hgr. (Sc. 25; 



V. 240 ; C. 139), & vg. 



(Sc.25;V.239;C. 128). 

 wi. Yg. (Sc. 25; V. 236; [Mauritius.] Zoological Society. 



C, 135). (Type oi Alopecojihis chalybeus.) 



31. Coluber janseni. (Plate I. fig. 2.) 



Gonvosoma jausenii, Bleek. Nat. Tijdschr. Nederl. Ind. xvi. 1858, 

 p."242. 



