78 COLTTBBIDJ!;. 



Dipsas fasciata, Fisch. Abh. Nat. Ver. Hanib. iii. 1856, p. 84, pi. iii. 



fig. 5 ; Qiinth. Cat. p. 173 (1858). 



valida, Fisch. I. c. p. 87, fig. 4 ; Giinth. I. c. p. 172. 



globiceps, Fisch. I. c. p. 89, fig. 6 ; Gunth. I. c. p. 173 ; F. Mull. 



Verh. Nat. Ges. Basel, vii. 1885, p. 687. 

 Toxicodryas blandingii, Sallow. Proo. Ac. Philad. 1857, p. 60. 

 Dipsas flscheri, Jan, in A. Dmn. I.e. p. 212. 

 Boiga blandingii, Cope, Proc. Ac. Philad. 1860, p. 264. 



globiceps. Cope, I. c. 



Dipsas fusca, Jan, Elenco,-p. 104 (1863). 



cynodon, part., Jan, I. c, and Icon. G&n. 38, pi. vi. fig. 2 (1871). 



regalis (Schleg.), Jan, Icon. I. u. ; F. Milll. I. c. p. 687. 



? Dipsas globiceps, var. tumboensis, F. Milll. I. c. p. 688. 



Anterior palatine and mandibular teeth strongly enlarged. 

 Rostral broader than deep, just visible from above; internasals 

 broader than long, shorter than the prsefrontals ; frontal as long as 

 broad or slightly longer than broad, as long as or a little shorter 

 than its distance from the end of the snout, shorter than the 

 parietals ; loreal nearly as long as deep ; two (rarely one) prse- 

 ooulars, widely separated from the frontal ; two (rarely three) post- 

 oculars ; temporals 2+2 or 2+3 ; nine (rarely eight) upper labials, 

 fourth, fifth, and sixth (or third, fourth, and fifth) entering the eye ; 

 three or four lower labials in contact with the anterior chin-shields, 

 which are smaller than the posterior. Scales in 23 (rarely in 21 or 

 25) rows, vertebral row strongly enlarged. Ventrals 265-274; 

 anal divided; subcaudals 123-147. TeUowish to dark olive above, 

 with more or less distinct dark brown or black cross-bars, which 

 may be interrupted on the vertebral line ; some specimens nearly 

 uniform black ; black bars on the posterior border of the upper 

 labials, the one on the penultimate labials extending on the temple 

 to the eye ; ventrals and subcaudals yellowish to dark olive, with 

 or without a darker edge. 



Total length 2200 millim. ; tail 500. 



West Africa, from the Senegal to the Congo ; Zanzibar. 



a-h, c. S (V. 267, 265 ; Sierra Leone. 

 C. 133, 125) & yg. (V. 

 265; C. 136). 



d. S (V. 264; 0. 125). Fantee. Leyden Museum. 



e. S (V. 271 ; 0. 130). Coast of Guinea. 



/•. $ (V.274; C.?). Oil River. H. H. Johnston, Esq. fP.!. 



g-h. ? (V.268; C.126) Gaboon. 



& hgr. (Sc. 21; V. 



266 ; C. 135). 

 i. $ (7.266; C.123). W.Africa. 

 h. Yg. (So. 25 ; V. 273 ; Zanzibar. 



C. 124). 



21. Dipsadomorphus cynodon. 



Dipsas cynodon, Boie, Isis, 1827, p. 559 ; GuSr. Icon. H. A.,Itept 

 pi. xxi. fig. 2 (1829) ; Schleg. Phys. Serp. ii. p. 268, pi. xi. figs 10 

 & 11 (1837) ; Giinth. Rept. Brit. Ind. p. 308 (1864) ; Jan, Icon. 



