90 COLUBRID. 
Ophis albocinctus, Duvernoy, 1. c. p. 10, pl. ii. figs. 1-3. 
io rufescens, Schley. Phys. Serp. ii. p. 72, pl. ii. figs. 16 & 17 
Dipsas paar Reinh. Vidensk. Selsk. Skrift. x. 1848, p. 251, 
pl. i. figs, 18-20. 
Crotaphopeltis rufescens, Smith, Ill. Zool. S. Afr., Rept. App. p. 18 
(1849); Cope, Proc. Ac. Philad. 1860, p. 566; Jan, Icon. Géne 
39, pl.ii. fig. 1 (1872); Boettg. Abh, Senck. Ges, xii, 1881, p. 398. 
Dipsas inornatus, Smith, 1. c. p. 20. 
Heterurus rufescens, Dum. § Bibr. Vii. p. 1170 (1854). 
—— hippocrepis, Dum. § Bibr. t. ¢. P 1177. 
Leptodeira rufescens, Giinth. Cat. p. 165 (1858); Boettg. Ber. Senck. 
es. 1887, p. 162, & 1888, p. 72. . 
Oxyropus melanocrotaphus, Cope, Proc. Ac. Philad. 1860, p. 260. 
“aa hitambocia, Peters, Reise n. Mossamb. iii. p. 126 
Rostral broader than deep, scarcely visible from above; inter- 
nasals shorter than the prefrontals ; frontal once and one third to 
once and two thirds as long as broad, as long as or a little longer 
than its distance from the end of the snout, shorter than the parietals ; 
loreal as long as deep, or a little longer than deep; one preeocular 
(rarely divided) ; two (rarely three) postoculars; temporals 1+ 1 or 2; 
eight(rarely nine) upper labials, third, fourth, and fifth (exceptionally 
fourth and fifth or fourth, fifth, and sixth) entering the eye; three 
or four pairs of large chin-shields, the anterior longer than broad 
and in contact with four and five lower labials, the others usually 
broader than long. Scales smooth or faintly keeled, in 19 (excep- 
tionally 17) rows. Ventrals 144-180; anal entire; subcaudals 
32-54. Brown, olive, or blackish above, uniform or with whitish 
dots which may form cross-bars; a black band on the temple, 
usually connected with its fellow across the occiput; belly whitish. 
Total length 610 millim.; tail 90. 
Tropical and South Africa, as far north as Senegambia and 
Nubia. 
a, Hgr. (V. 159; C. 38). Gambia. T. ee Esq. 
b. Hgr. (V. 165; 0.39). Bissao. oe Mi Cornish, Esq. 
ce. Hgr, (V. 161; C. 44). Gold Coast. W. F. Evans, Esq. 
C.). 
d. 9 (V. 164; C.?).  Fantee. T. E. Bowdich, Esq. 
LP (Type of 
164; ©, Asaba, N 1. W. Crose, E 
e, f-l. 3 (V. 164; CO. Asaba, Niger. . W. Crosse : 
rae V. 160; ©, 41), (P.}. rer. 
her. (V. 155, 156; CO. 
38, 33), & ye. (V. 161, 
162, 159; ©. 44, 42, 40), 
m. 9 (V.167; 0.42). Congo. 
n-s. 9 (V. 159; C.39), Mkonumbi, E. Africa. Dr. J. W. Gregory 
. (V. 164, 153, [P.]. 
146, 148; ©. 41, 50, 
46, 46), & yg. (V. 
164; 0.52), 
