PSAMMOPHIS SCHOKAKf. 295 
PSAMMOPHIS. 
Psammophis, Boie, Isis, 1827, p. 521. 
Body elongate and cylindrical ; tail long and tapered. Head distinct from the neck ; 
snout moderately long ; loreal region more or less concave ; nostril between two or 
three plates (rarely a semidivided shield) ; frontal narrow and rather elongate ; loreal 
elongate; pupil round. Dorsal scales smooth, with apical pits, in 11 to 19 more or 
less oblique rows ; ventrals rounded; anal divided or single. Maxillary teeth in three 
groups, those of the anterior group, 3 or 4 in number, separated by an interspace 
from one or two long fang-like teeth, followed by another interspace, the last group 
terminating in one or two long, strong, grooved fangs placed below the posterior border 
of the eye ; mandibular teeth much enlarged anteriorly, followed by a long line of 
much smaller teeth, gradually diminishing in size posteriorly. 
Psammophis schokari, Forskal. (Plates XLI. & XLII.) 
Psammophis schokari, Blgr. 1 Cat. Snakes B. M. iii. 1896, p. 157; Ann. Mus. Civ. Genova, xvi. 
(xxxvi.) 1896, p. 553 ; Anderson, Herp. Arabia & Egypt, 1896, pp. 53 & 108 ; Werner, Verh. 
zool.-bot. Ges. Wien, xlvii. 1897, p. 407. 
? Psammophis sibilans, Francaviglia, Boll. Soc. Rom., Zool. v. 1896, p. 35. 
1 ? . Am Musa. * 
1 (J . Between Suez and Ismailia. 
1 J. Shaluf. 
1 ? . Abbasiyeh. Major-General H. M. L. Rundle, D.S.O., C.M.G. 
1 S • Abu Roash. 
3 (J. Gizeh. 
1 J . Assuan. Brigadier-General D. F. Lewis. 
1 <J and 1 $ . Suakin Plain. Surgeon-Captain A. H. Penton, D.S.O. 
8 J 1 and 4 2 . Suakin Plain. 
1 c?. Tokar. 
1 S . Durrur. 
1 2 • Island of Skadwan. Mr. John Stratheam. 
1 2 . Ras Gharib. Mr. James Robertson. 
1 £ . Berys, S. of Oasis of Khargeh. Major H. G. Lyons, R.E. 
1 Additional references: — Gmelin, Syst. Nat. Linn. i. 1788, p. 1115; Lacep. Quadr. Ovip. iii. 1789, p. 273 ; 
Daud. Rept. vi. 1803, p. 251; Shaw's Gen. Zool. iii. 1802, p. 519; Boie, Isis, 1827, p. 547. Coluber 
(NatrLv) scholcari, Merrem, Syst. Amph. 1820, p. 130. Psammophis -punctatus, Peters, Mon. Berl. Ak. 
1878, p. 207. 
