290 MR. G. A. BOULENGER ON THE 



1. PSAMMOPHIS SCHOKARI. 



Coliober schohari Forsk. Descr. Anim. p. 14. 

 Psamvioj}kis schokari Bouleng. t. c. p. 157. 



ISTorth Africa to Mauritania and Somalilancl. ; Arabia and 

 Syria to Afghanistan and Sind. 



2. PSAMMOPHIS SIBILANS. 



Coluber sihilans Linn. S. l^J". i. p. 383. 

 Fsammojjhis sihilans Bouleng. t. c. p. 161. 

 Tropical and South Africa, Egypt. 



3. PSAMMOPHIS REGULARis Sternf. Mitt. Zoo]. Mus. Berl. iii. 

 1908, p. 412. 



Cameroon and Togoland. 



4. PSAMMOPHIS ELEGANS. 



Coluber elef/ans Shaw, Zool. iii. p. 536. 

 Psammophis elegans Bouleng. t. c. p. 167. 

 Mauritania to Niger. 



10. Macroprotobon. 



Guichen. Explor. Sc. Alg., Kept. p. 22 ; Bouleng. Oat. Sn. iii. 

 p. 175. 



1. Machoprotodon cucullatus. 



Coluber cacullatus I. Geofir. Descr. Egypte, Rept. pp. 148, 151, 

 pi. viii. fig. 3. 



Macroprotodon cucullatus Bouleng. 1. c. 



Mauritania, North Africa, S. Spain, Baleares, Lampedusa, 

 S. Palestine. 



11. DiSPHOLIDUS. 



Duvernoy, Ann. Sc. Nat. xxvi. 1832, p. 150; Bouleng. Cat. 

 Sn. iii. p. 186. 



1. DiSPHOLIDUS XYPUS. 



Bucephalus typus A. Smith, Zool. Jonrn. iv. 1829, p. 441. 

 Dispholidus typ>%is Bouleng. t. c. p. 187. 



Tropical and South Africa, northwards to Portuguese Guinea 

 and Abyssinia. 



12. Thelotornis. 



A. Smith, 111. Zool. S. Afr., Rept. ; Bouleng. Cat. Sn. iii. p. 184 



1. Thelotornis kirtlandii. 



LeptopMs kirtlandii Hallow. Proc. Ac. Philad. 1844, p. 62. 

 Thelotornis kirtlandii Bouleng. t. c. p. 185. 



Tropical and South Africa, northwards to Sierra Leone and 

 Uganda. 



