150 COLUBRID. 
nape ; pre-and postoculars and upper lip greenish yellow; some 
of the labials with the sutures black ; belly and tail below greenish 
yellow or pale green, uniform or with a series of black dots or short 
lines on the outer ends of the ventrals. 
Total length 1090 millim. ; tail 330. 
Tropical Africa. 
a-d. (V. 151; C.?) Niger. J. W. Crosse, Esq. [ P.]. 
& nev 141, 152, 148. : 
©. 103, 105, ?). 
e 3 v . 146; C.?). Liberia. Dr. Biittikofer [C.}. 
Ft. 3 (V. 149; C. 78). Coast of Zanzibar. 
g: g (V. 149; C. 99). Lado. Dr. Emin Peale lta: 
h. 2 (V. 159; O.?). Central Africa. Lieut. Chippen le 
i,k. 3 (V. 147 ; C.101) — Africa. Mr, Argent [C.]. 
£8 140; ©. > 98). 
2. Dromophis przornatus. 
Dendrophis preornata, Schleg. Phys. Serp. ii. E 236 (1837). 
Oxyrhopus preeornatus, Dum. § Bibr. vii. #; 039 (1854). 
Tha ae aes Giinth. Cat. p. 147 (1858), and Ann. & 
(3) xv. 1865, p. 95; Jan, Icon. Gén, 33, pl. ii. fig. 2 
RcoN 
ee preornatus, Peters, Mon. Berl, Ac. 1869, p- 447 ; Steind. 
Sitzb. Ak. Wien, 1xii. 1870, p. 353. 
Snout once and a half to once and two thirds the diameter of the 
eye. Rostral a little broader than deep, visible from above ; nostril 
between two shields ; internasals rather more than half as long as the 
prefrontals ; frontal twice to twice and a half as long as broad, nearly 
as broad as the supraocular, longer than its distance from the end 
of the snout, shorter than the parietals ; loreal once and a half to 
once and two thirds as long as deep; one preocular, in cor tact 
with or narrowly separated from the eye; two postoculars ; tem- 
porals 142; eight upper labials, fourth and fifth entering the 
eye; four or five lower labials in contact with the anterior chin- 
shields, which are as long as the posterior. Scales in 15 rows. 
Ventrals 161-180 ; anal divided; subcaudals 110-122, Pale olive 
above, with black cross-bands anteriorly, black spots or a red 
vertebral stripe in the middle, and three black stripes posteriorly ; 
the cross-bands most regular on the head; lower parts uniform 
white. 
Total length 550 millim.; tail 175. 
West Africa. 
a. 9 (V.177; C. 110). Niger. W.A. Forbes, Esq. 
b-c. 9 eet Gu) . Africa. Mr. Argent [0.]. (FF 
d. gC (V. 167 C, %y W. Africa, Mr, Dalton [C.]. 
e. d (V.177; C. P). W. Africa. 
