SNAKES OF NOKTH AFRICA. 30a 



1. PSAMMOPHIS SCHOKARI. 



Coluber schokari Forsk. Descr. Anim. p. 14. 

 Psamniophis schokari Bouleng. t. c. p. 157. 



Kortli Africa to Mauritania and Bomaliland ; Arabia and Syria 

 to Afghanistan and Sind. 



2. PSAMMOPHIS SIBILANS. 



Coluber sihilans Linn. S. N. i. p. 383. 



P saminopliis sihilans Bouleng. t. c. p. 161. 



Egyjjt, Tropical and South Africa. 



5. Macroprotodon. 



Guichen. Exph Sc. Alg., Eept. p. 22 ; Bouleng. Cat. Sn. iii. 

 p. 175, 



1. Macroprotodon cucullatus. 



Coluber cucullatus I. Geoffr. Descr. Egypte. Kept. pp. 148, 151, 

 pi. viii. fig. 3. 



Macvofrotodon cucullatus Bouleng. 1. c. 



North Africa from Morocco to N. Egypt, Mauritania, S. Spain, 

 Baleares, Lampedusa, S. Palestine. 



C. Proteroglypha. 



Two genera : — 



Scales oblique ; neck dilatable ; siibcaudals 53-68 Naia. 



^Scales not oblique; subcaudals 45-48 Walter innesia. 



L Naia. 

 Laur. Syn. Rept. p. 90^; Bouleng. Oat. tSn. iii. p. 372. 



Two species :— 



■6tli or 7tb upper labial largest and deepest, in contact witli post- 

 oculars ; eye separated from tlie laliials by suboculars ; 21-23 

 scales across neck, 19-21 across middle of bodj' N. liaie. 



5rd upper labial deepest and entering the eye, 6th and 7tli not in 

 contact with postoculars; 25-29 scales across neck, 21-25 

 across middle of body N. nigricollis. 



1. Naia haie. 



Coluber haie Linn, in Hasselq. Beise Palsest. p. 366. 

 Naia liaie Bouleng. t. c. p. 374. 



Borders of the Sahara, East Africa southwards to the Transvaal 

 ■and Zululand, Palestine, Arabia. 



2. Naia nigricollis Reinh. Yid. SeLsk. Skr. x. 1843, p. 269, 

 pi. iii. figs. 5-7 ; Bouleng. t. c. p. 378. 



Upper Egypt and Senegambia to Bechuanaland and Natal. 



