69. HArSIDOPHKTS, 103 



1. Gastropyxis smaragdina. 



Dendvopliis smaragdina, Schlcf/. Phys. Scrp. ii. p. 237 (1837). 



Leptophis gTacilis, Hallow. Proc. Ac. Philad. 1844, p. 60. 



smai'ag'dinus, Dum. ^ Bibr. vii. p. 537 (1854) ; Hallow. Proc. 



Ac. Philad. 1854, p. 100 ; A. Dimi. Arch, du Mus. x. 1860, p. 199, 



pi. xvii. fig. 6; Jan, Icon. Gen. 49, pi. vi. fig. 4 (1879). 

 Hapsidoplirvs coeruleus, Fischer, Ahh. nat. Ver. Hainh. ili. 1856, 



p. Ill, pL ii. fig. 6 ; Gil nth. Cat. p. 145 (1858). 

 Ahaetulla smaragdina, Gimth. Cat. p. 151. 

 Gastropyxis smaragdina. Cope, Proc. Ac. Philad. 1800, p. 558. 

 Hapsidophrys smaragdina, Reichen. Arch. f. Nat. 1874, p. 292; 



Boetty. Ber. Senck. Ges. 1888, p. 62, and 1889, p. 279. 



Rostral broader than deep, visible from above ; internasals longer 

 than the prgefrontals ; frontal once and a half as long as broad, as 

 long as or a little longer than its distance from the end of the 

 snout, as long as or slightlj' sliorter than the parietals ; lorcal twice 

 to thrice as long as deep, sometimes confluent with the prsefrontal ; 

 one praeocular, in contact with or narrowly separated from the 

 frontal; two postoculars; temporals 1+2; nine (rarely eight) 

 iipper labials, fifth and sixth (or fourth and fifth) enteiing the eye ; 

 five or six lower labials in contact with the anterior chin-shields, 

 which are shorter than the posterior. Scales in 15 rows, all 

 strongly keeled and distinctly striated. Ventrals 150-174 : anal 

 divided ; subcaudals 140-172. Lark bluish green above, pale green 

 beneath and on the upper lip ; a blackish streak on each side of the 

 head, passing through the eye. 



Total length 980 millim. ; tail 390. 



West Africa, from Sierra Leone to the Gaboon. 



a. c? (V. 157 ; C. 140). Sierra Leone. H. C. Hart, Esq. [P.l. 



b. S (V. 155; 0. 152). Sierra Leone. 



c. d. 2 (V. 156 ; C. 144) Ashantee. 

 &yg. (V.155; C.?). 



e-f. $ (V. 154; C. 147) Ancobra River, Major Burton and Capt. 



& yg. (V. 157 ; C. ?). Gold Coast. Cameron [P.]. 



.9. 2 (V. 162; C. ?). Niger. Mr. Fraser [C.]. 



'h-i. $ (V. 169; C. 161) Akassa, mouth of Dr. J. W. Crosse [P.]. 



& hgr. (V. 171 ; C.172). Niger. 



A;-/. $ (V. 171,172; C.?, Oil River. H. H. Johnston, Esq. 



145). [P.]. 



m. c? (V. 164; C. 166). Fernando Po. 



n. 2 (V. 153; C. 146). Guinea. Levden Museum. 



0^. $(V.157,161; C.148, Eloby district, H.Ausell, Esq. [P.]. 



147). Gaboon. 



69. HAPSIDOPHRYS. 



Hapsidophrys, part., Fischer, Abh. naturiv. Ver. Hamb. iii. 1856, 

 p. 110 ; Giinth. Cat. Col. Sn. p. 144 (1858) ; Jan, Elenco sist. Ofid. 

 p. 86 (1863). 



Maxillary teeth 30 to 32, posterior longest ; mandibular teeth 

 subequal. Head distinct from neck ; eye very large, with round 

 pupil. Body cylindrical ; scales keeled, with apical pits, in 15 rows ; 



