170 COLUBRID, 
than its distance from the end of the snout, nearly as long as the 
parietals ; loreal once and two thirds as long as deep; two pra- 
oculars, upper not reaching the frontal; two postoculars; tem- 
porals 142; eight upper labials, third deeper than fourth, fourth 
and fifth entering the eye, fifth as long as the eye; four lower 
labials in contact with the anterior chin-shields, which are a little 
shorter than the posterior. Scales in 13 rows. Ventrals 144; 
anal divided; subcaudals 108. Pale brownish above, with an 
orange black-edged vertebral stripe and a black lateral streak, 
running along the second row of scales and extending to the end 
of the snout after passing through the eye; upper lip, outer row 
of scales, and outer ends of ventrals white; ventrals yellow in the 
middle, with an orange line on each side, 
Total length 435 millim, ; tail 160. 
Western Somaliland. 
a. 2 (V. 144; C,108). | WebiShebeli. § Dr. Donaldson Smith [P.]. 
(Type.) 
17. Psammophis angolensis. 
Amphiophis lensis, Bocage, Jorn. Sc. Lisb. iv. 1872, p. 82; 
eters, Sitzh. Ges. Naturf. Fr. 1881, p. 149; Bocage, Herp, digeie 
p- 113, pl. xi. fig. 3 (1895). 
Ablabes homeyeri, Peters, Mon. Berl. Ac. 1877, p. 620. 
Dromophis angolensis, Boettg. Ber. Senck. Ges, 1888, p. 55. 
Psammophis angolensis, Bouleng. Proc. Zool. Soc. 1801, p. 307, and 
1895, p. 539, ' 
Snout about once and a half the diameter of the eye. Rostral 
slightly broader than deep, visible from above; nostril between two 
shields ; internasals one half to two thirds as long as the pra- 
frontals ; 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, nearly as long as the parietals ; loreal once and a half 
to twice as long as deep; one prwocular, usually not reaching the 
frontal; two postoculars; temporals 1+2; eight upper labials, 
third usually deeper than second and fourth, fourth and fifth 
entering the eye; four or five lower labials in contact with the 
anterior chin-shields, which are shorter than the posterior. Scales 
in 11 rows. Ventrals 141-155; anal divided; subcaudals 57-81. 
Pale olive above with a dark olive or blackish vertebral stripe, three 
scales wide, finely edged with black and yellow ; head dark olive in 
front, blackish behind, with three yellow transverse lines, the first 
behind the eyes, the third behind the parietal shields; two black 
cross-bands may be present on the nape and neck, separated by a 
yellowish interspace ; labials and preoculars yellowish white; one 
or two more or less distinct dark lines or series of dots along each 
side ; lower parts whitish. 
Total length 375 millim. ; tail 110. 
Tropical Africa, south of the Equator. 
a. d (V. 161; C. 58). Zanzibar. Sir J. Kirk [C.]. 
b, Yg. (V. 154; 0.57). 8. shore of Victoria © Dr. Emin Pasha[P.]. 
Nyanza. 
