AFRICAN SNAKES. 223 



2. Symphysial in contact with the chin-shields ; snout rounded ; scales in 

 23 to 25 rows ; ventrals 240-242. 



A prajocular A. Tcatangce. 



No prajocular A. coarti. 



B. Temporals small, 2 or 3 superposed in front; snout 

 prominent, subcuneiform ; scales in 29 to 37 rows; 

 ventrals 212-245 A. microlepidota. 



1. Atractaspis congica Peters, Mori. Berl. Ac. 1877, p. 616, 

 pi. — , fig. 2 ; Bocage, Herp. Ang. p. 142 ; Bouleng. t. c. p. 513. 



Congo, Angola. 



2. Atractaspis irregularis. 



Elaps irregularis Reinh. Vicl. Selsk. Skrift. x. 1843, p. 264, 

 pi. iii. figs. 1-3. 



Atractaspis irregularis Bouleng. t. c. p. 513 ; Bocage, op. cit. 

 p. 143. 



"West and Central Africa, from the Gold Coast and Uganda to 

 the Congo. 



3. Atractaspis heterochilus Bouleng. Ann. Mus. Congo, 

 Zool. ii. 1901, p. 13, pi. v. fig. 1. 



Lake Taugauyika ; Cameroon. 



4. Atractaspis corpulenta. 



Brachycranium corpulentum Hallow. Proc. Ac. Philad. 1854, 

 p. 99. 



Atractaspis corpulentus Bouleng. Cat. Sn. iii. p. 514. 

 West Africa, from Liberia to the Congo. 



5. Atractaspis bibronii A. Smith, 111. Zool. S. Afr., Rept. 

 pi. lxxi. ; Bouleng. t. c. p. 515 ; Bocage, Herp. Ang. p. 141. 



Congo, Angola, and South Africa. 



6. Atractaspis katang^e Bouleng. Ann. Mus. Congo, Zool. 

 ii. 1901, p. 13, pi. v. fig. 2. 



Katanga ; German E. Africa. 



7. Atractaspis coarti Bouleng. t. c. p. 14, pi. v. fig. 3. 

 Lake Tanganyika. 



8. Atractaspis microlepidota Giiuth. Ann. & Mag. N. H. (3) 

 xviii. 1866, p. 29, pi. vii ; Bouleng. Cat. Sn. iii. p. 517. 



East and Central Africa (Lake Tanganyika). 



16* 



