170 COLUBKID^, 



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 prse- 

 ooulars, upper not reaching the frontal; two postoculars; tem- 

 porals l + '2; 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 SomaKland. 



a. 2 (V. 144 ; 0. 108). Webi Shebeli. Dr. Donaldson Smith [P.], 



(Type.) 



17. Psammophis angolensis. 



AmphiopHs angolensis, Socage, Jorn. Sc. Lish. iv. 1872, p. 82 ; 



Peters, Sitzb. Ges. Naturf. Fr. 1881, p. 149 ; Socage, Serp, Angola, 



p. 113, pi. xi. fig. 3 (1895). 

 Ablabes homeyeri, Peters, Mon. Berl. Ac. 1877, p. 620. 

 Dromophis angolensis, Soettg. Ber. Senck. Ges. 1888, p. 55. 

 Psammophis angolensis, SouUng. Proc. Zool. Sac. 1891, p. 307, and 



1895, p. 639. 



Snout about once and a half the diameter of the eye. Eostral 

 slightly broader than deep, visible from above ; nostril between two 

 shields ; internasals one half to two thirds as long as the prse- 

 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 prseocular, usually not reaching thff 

 frontal; two postoculars; temporals l-|-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 57-81r 

 Pale oUve 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 praeoculars yellowish white ; one 

 or two more or less distinct dark lines or series of dots along each 

 side ; lower parts whitish. 



Total length 875 millim. ; tail 110. 



Tropical Africa, south of the Equator. 



a. c? (V. 151 ; C. 58). Zanzibar. Sir J. Kirk [0.]. 



b. Yg. (V. 154; 0. 57). S. shore of Victoria Dr. Emin Pasha [P.], 



Nyanza. 



