171. PSAMMOPHIS. 157 



3. FsammopMs schokari. 



Coluber schokari, Forsk. Descr. Anim. p. 14 (1775). 



lacrymans, Seuss, Mus. Senck. i. p. 139 (1834). 



Psammophis moniliger, part., Dum. ^ Bihr. vii. p. 891 (1854). 



punctatus, Dum. ^ Bibr. t. c. p. 896 ; Gerv. M4m. Ac. Montp. 

 1857, p. 512, pi. V. fig. 3 ; Strauch, Erp. Ala. -a. 66 a8621 .- 

 Peters, Mon. Berl. Ac. 1862, p. 274, pi. — . fig. 2.' 



sibilans, Blyth, Joum. As. Soc. Beng. xxiv. 1856, p. 306. 



sibilans, part., CRinth. Cat. p. 136 (1858) ; Strauch, I. c. ; 



Schreib. Serp. Eur. p. 217 (1875) ; Bouleng. Tr. Zool. Soc. xiii. 



1891, p. 150. 

 sibilans, var. hierosolimitana, Jan, Blenco, p. 90 (1863), and 



Icon. Qhi. 34, pi. iii. fig. 2 (1870). 

 sibilans, var. punctata, Jan, Elenco, p. 90 ; Boettg. in Kobelt, 



Reis. Alg. Tun. p. 462 (1885). 



sindanus, Stoliczka, Proc. As. Soc. Beng. 1872, p. 83. 



leithii {non Giinth.), Blanf. Zool. E. Pers. p. 421 (1876). 



moniliger, var. Merosolymitana, Boettg. Ber. Senck. Ges. 1879- 



80, p. 163. 



moniliger, var. punctata, Boettg. I. c. p. 164. 



leithii, part., Bouleng, laun. Ind., Kept. p. 365 (1890). 



lacrymans, Bouleng. Proc. Zool. Soc. 1895, p. 588 ; Anders. 



Proc. Zool. Soc. 1895, p. 655. 



Snout once and a half to once and two thirds as long as the eye, 

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

 or three shields ; internasals much shorter than the praefrontals ; 

 frontal twice to twice and a half as long as broad, about half as 

 broad, in the middle, as the supraocular, as long as or a little 

 longer than its distance from the end of the snout, as long as the 

 parietals ; loreal three to four times as long as deep ; one praeocular 

 (rarely divided), in contact with the frontal ; two (rarely three) 

 postoculars ; temporals 2 + 2 or 3 (rarely 1 + 2) ; nine (rarely eight 

 or ten) upper labials, third or fourth deepest, usually third, foarth, 

 and fifth in contact with the praeocular, fifth and sixth (rarely 

 fourth and fifth or sixth and seventh) entering the eye ; five or 

 six lower labials in contact with the anterior chin-shields, which 

 are shorter than the posterior. Scales in 17 (rarely 19) rows. 

 Ventrals 162-195 ; anal divided ; subcaudals 93-149. Yellowish, 

 greyish, pale olive, or reddish above, uniform or spotted or striped 

 with darker; a dark streak on each side of the head, passing 

 through the eye ; lips usually with dark dots or spots ; belly usually 

 with dark dots and with one or two interrupted dark lines on each 

 side. 



Total length 1210 millim. ; tail 430. 



Borders of the Sahara, Arabia, Syria, Persia, Baluchistan, 

 Afghanistan, Sind. 



A. Kegularly striped, the stripes brown or oUve with a fine black 

 edge ; series of vertebral scales yellowish. 



a. ? (V. 183 ; C. 119). Biskra. J. Brenchley, Esq. 



