171. PsAMMOPHIs. 157 
3. Psammophis schokari. 
Coluber schokari, Forsk. Descr. Anim. p. 14 (1775). 
—— lacrymans, Reuss, Mus. Senck. i. p. 139 (1834). 
Psammophis moniliger, part., Dum. & Bibr. vii. p. 891 (1854). 
punctatus, Dum. § Bibr. t. c. p. 896; Gerv. Mém. Ac. Montp. 
iii. 1857, p. 512, pl. v. fig. 3; Strauch, Erp. Alg. p. 66 (1862) ; 
Peters, Mon. Berl. Ac, 1862, p. 274, pl. —. fig. 2. 
—— sibilans, Blyth, Journ. As. Soc. Beng. xxiv. 1855, p. 306. 
sibilans, part., Giinth. Cat. p. 136 (1858); Strauch, 1. c.; 
Schretb. Herp. Eur. p. 217 (1875); Bouleng. Tr. Zool. Soc. xiii. 
1891, p. 150. 
—— sibilans, var. hierosolimitana, Jan, Elenco, p. 90 (1863), and 
Icon. Gén. 34, pl. iii. fig. 2 (1870). 
sibilans, var. punctata, Jan, Elenco, p. 90; Boettg. in Kobelt, 
Reis. Alg. Tun. p: 462 (1885). 
sindanus, Stoliezka, Proc. As. Soe. Beng. 1872, p. 83. 
—— leithii (non Giinth.), Blanf. Zool. E. Pers. p. 421 (1876). 
—— moniliger, var. hierosolymitana, Boettg. Ber. Senck. Ges. 1879- 
80, p. 163. 
moniliger, var. punctata, Boettg. l. c. p. 164. 
—— leithii, part., Bouleng, Faun. Ind., Rept. p. 365 (1890). 
—— lacrymans, Bouleng. Proc. Zool. Soc. 1895, p. 588; Anders. 
Proce. Zool. Soc, 1895, p. 655. 
Snout once and a half to once and two thirds as long as the eye. 
Rostral broader than deep, visible from above ; nostril between two 
or three shields; internasals much shorter than the prefrontals ; 
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 preeocular 
(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, fourth, 
and fifth in contact with the preocular, 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. Regularly striped, the stripes brown or olive with a fine black 
edge ; series of vertebral scales yellowish. 
a. 9 (V.188; C. 119). Biskra. J. me Esq. 
