AND BATEACHIANS OF BAEBAET. 151 



dinal series of darker dots, or with two or three yellowish longitudinal streaks ; upper 

 lip and lower parts yellowish white, uniform or dotted with black. 



Total length 920 miUim., tail 290. Reaches a length of 1^ metre. 



Inhabits North Africa, Arabia, Syria, Asia Minor, and Southern Russia. Recorded 

 by Gervais from Sefissifa, near the Moroccan frontier of Algeria, and by Strauch from 

 the Mzab. M. Lataste found this snake common in the Algerian and Tunisian Sahara, 

 and in the southern parts of the Plateaux; in Algeria, at Biskra, Tuggurt, Laghouat, 

 Bou-Guelfaia, and Bou-Saada; in Tunisia at Raz-el-Wed, Cabes, Djebel Domeur, El 

 Jlamman des Beni-Zib, Fratis, Taferma, Tamesred, Bougrara, Mettamer, and Nebech 

 el Dib. 



Figured in ' Description de I'Egypte,' Rept. pi. \iii. fig. 4. 



7. CffiLOPELTis, Wagler, 1830. 



Maxillary teeth 10 to 10, subequal, followed by a very long grooved fang; anterior 

 (especially 3rd to -Sth or Gth) mandibular teeth long, posterior small. Head more or 

 less elongate, distinct from neck, with angular canthus rostralis and projecting supra- 

 ocular ; eye large, with round pupil ; nostril a crescentic slit between two nasals. Body 

 elongate, cylindrical ; scales smooth, more or less distinctly grooved longitudinally in 

 the adult, with rather indistinct apical pits, in 17 or 19 rows; ventrals rounded; tail 

 rather long ; subcaudals in two rows. 



Two species in Barbary. 



1. CcELOPELTis LACEETiNA, Wagler, 1824. 

 C. monspessulanus , Rozet. 



Snout rather prominent, obtuse ; forehead and loreal region concave. Intemasals 

 much shorter than the praefrontals ; frontal narrower than the supraocular, in contact 

 with the prseocular ; two loreal shields ; one prse- and two or three postoculara ; eight 

 upper labials, fourth and fifth entering the eye. Scales more or less distinctly grooved, 

 in 19 (rarely 17) rows. Olive or brown above, with or without dark spots; sides often 

 blackish ; yellowish white beneath, uniform or spotted or clouded with brown or ohve. 



Total length 1580 millim., tail 350. 



This fine snake inhabits Southern Europe, the whole of North Africa, north and 

 south of the Atlas, and South-western Asia. It is one of the commonest snakes all 

 over Morocco, Algeria, and Tunisia. 



Excellent figures are given by Bonaparte, ' Fauna Italica,' and by Savigny, ' Descrip- 

 tion de I'Egypte,' Rept., Suppl. pi. v. figs. 2 & 3. 



2. CcELOPELTis PEODUCTA, Gervais, 1857. 



Snout verv prominent, obtusely pointed ; forehead flat or slightly convex ; loreal 



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