69. HAPSIDOPHETS. 103 



1. Gastropyxis smaragdiua. 



DendropHs smaragdina, Sehleg. Phys. Serp. ii. p. 237 (1837). 



Leptophis gracilis, Sallow. Proc. Ac. Philad. 1844, p. 60. 



smaragdinus. Bum. ^ Bibr. vii. p. 537 (1854) ; Hallow. Proc. 



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



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

 Hapsidophrys cceruleus, Fischer, Abh. nat. Ver. Hamb. iii. 1856, 



p. Ill, pi. ii. fig. 6 ; Gunth. Cat. p. 145 (1858). 

 Alisetulla smaragdina, Gunth. Cat. p. 151. 

 Gastropyxis smaragdina, Cope, Proc. Ac. Philad. 1860, p. 558. 

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



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



Eostral broader than deep, visible from above ; intemasals longer 

 than the prsefrontals ; 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 slightly shorter than the parietals ; loreal twice 

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

 one prseocular, in contact with or narrowly separated from the 

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

 upper labials, fifth and sixth (or fourth and fifth) entering 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. Dark 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 miUim. ; tail 390. 



"West Africa, from Sierra Leone to the Gaboon. 



a S (V. 167 ; 0. 140). Sierra Leone. H. 0. Hart, Esq. [P.]. 



h. cJ (V. 165; 0. 152). Sierra Leone. 



c, d. $ (y. 156 ; C. 144) Ashantee. 



& yg. (V. 155 ; C. ?). , . „ , r. . 



e-f. 2 (V. 164; 0. 147) Ancobra River, Major Burton and Capt. 



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



« 9 (V. 162 ; 0. ?). Niger. Mr. Fraser [C.]. 



A-j 2 (V 169 ; C. 161) Akasaa, mouth of Dr. J. W. Crosae [P.]. 



&hgr. (V.171;C.173). Niger. „ tt t t, . 



h-l. $ (V. 171, 172 ; 0. ?, Oil River. H. H. Johnston, Esq. 



145). , „ [P-]- 



m. d (V. 164; 0.166). Fernando Po. 



w 2 (V 153 ; 0. 146). Guinea. Leyden Museum. 



oV $(V.157,161;C.148, Eloby district, H. Ansell, Esq. [P.l. 



^47) Gaboon. 



69. HAPSIDOPHRYS. 



Hapsidophrys, part., Fischer, Abh. naturw. Ver. Samb. iii. 1856, 



p 110 ; Gunth. 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 ; 



