SNAKES OF NORTH AFKICA. 305 



1 . CORONELLA AMAI.I^. 



Rhinechis amalice Boettg. Zool. Anz. 1881, p. 570. 

 Coronella amalice Bouleng. t. c. p. 193. 

 Morocco and Algeria. 



2. Coronella girondica. 



Coluber girondicus Daud. Hist. Rept. vi. p. 432. 



Coronella girondica Bouleng. t. c. p. 194. 



Morocco and Algeria, Spain and Portugal, S. France, Italy. 



5. Oligodon. 

 Boie, Isis, 1827, p. 519 ; Bouleng. Cat. Sn. ii. p. 233. 



1. Oligodon melanocephalus. 



Homalosoina melanocephalum Jan, Arch. Zool. Anat. Phys. ii. 

 1862, p. 34. 



Oligodon melanoce2jhalus Bouleng. t. c. p. 246. 

 N. Egypt, Sinai, Syria. 



6. Dasypeltis. 

 Wagl. Syst. Amph. p. 178; Bouleng. Cat. Sn. ii. p. 353. 



1. Dasypeltis scabra. 



Coluber scaber Linn. Mus. Ad. Frid. p. 36, pi. x. fig. 1. 

 DasyjJeltis scabra Bouleng. t. c. p. 354. 

 Egypt, Tropical and South Africa, S. Arabia. 



B. Opisthoglypha. 



I. Head sliort, very distinct from neck ; pupil vertically elliptic ; scales in 19 ta 



23 rows; subcaudals 60-86. 



Eye moderate; anal divided , Tarhophis. 



Eye large; anal entire Leptodira. 



II. Head elongate ; eye large, with round pnpil ; scales in 17 or 19 rows. 

 Scales not oblique ; loreal not longer than deep ; subcaudals 



48-102 Coelo'peUis. 



Scales more or less oblique; loreal at least If times as long as 



deep; subcaudals 90-149 Fsammophis. 



III. Headshort, not very distinct from neck; eye rather small, 

 with round or verticallj' subelliptic pupil ; rostral at least 

 twice as broad as deep ; scales in 19 to 25 rows ; sub- 

 caudals 40-54 Macroprofodon. 



1. Tarbophis. 



Fleischm. Dalm. nov. Serp. Gen. p. 17; Bouleng. Cat. Sn. iii. 

 p. 47. 



