69. HAPSIDOPHRYS. 103 



1. Gas t ropy xis smaragdina. 



Dendrophis smaragdinn, ///<//. Phi/.*. Hri-p. ii. p. :>37 (1837). 

 Leptophis gracilis, Hallow. Proc. Ac. Plnlml. 1^44, p. 60. 



.-iiiiira-cUmis Dntii. $ liibr. vii. p. 537 (1854); Hallow. Proc. 



A.C, rhilad. 1854, p. 100; A. Dum. Arch, du Mug. x. 1800, p. 199, 



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

 Ilapsidophrvs cceruleus, Fischer, Abh. not. Ver. Hamb. iii. 1856, 



p. Ill, pi ii. fif. 6; Gimth. Cat. p. 145 (1858). 

 A luetulla smaragdina, G'dnth. Cat. p. 151. 

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

 ll:ipsidophrys smaragdina, Reichen. Arch. f. Nat. 1874, p. 292; 



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



Rostral broader than deep, visible from above ; interaasals longer 

 than the prfefrontals ; 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 praefrontal ; 

 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 millim. ; tail 390. 



West Africa, from Sierra Leone to the Gaboon. 



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



b. rf (V. 155; C. 152). Sierra Leone. 



c. d. $ (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. P). Gold Coast. Cameron [P.]. 



g. $ (V. 162; C. ?). Niger. Mr. Eraser [C.]. 



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



&hgr. (V. 171; C.I 7:.'). Niger. 



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



145). [P.]. 



TO. (J (V. 164 ; C. 166). Fernando Po. 



n. $ (V. 1"..',: C. 146). Guinea. Leyden Museum. 



o-p. $ ( V. 157,161 ; C. 148, Eloby district, H.'Anseil, Esq. 



147). Gaboon. 



69. HAPSIDOPHRYS. 



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

 p. 110 ; Giinfh. Cat. Col. Sn. p. 144 (1858) ; Jan, Elenco sist. Olid. 

 p. 86 (1863). 



Maxillary teeth 30 to 32, posterior longest; mandibular teeth 

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

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



