african snakes. 201 



1. Tropidonotus fuliginoides. 



Coronella fuliginoides Giinth. Oat. Col. Sn. p. 39. 

 Tropidonotus fuliginoides Bouleng. t. c. p. 217. 

 Mizodon fuliginoides Bocage, Herp. Ang. p. 75. 

 West Africa, from the Gold Coast to the Congo. 



2. Tropidonotus olivaceus. 



Coronella olivacea Peters, Mon. Berl. Ac. 1854, p. 622. 

 Tropidonotus olivaceus Bouleng. t. c. p. 227. 

 Mizodon olivaceus Bocage, Herp. Ang. p. 74. 

 Grayia giardi Dollo, Bull. Mus. Belg. iv. 1886, p. 158, fig. 

 Tropical Africa, from the Soudan to Angola, Mashonaland, and 

 Southern Rhodesia. 



2. Helicops. 

 Wagler, Syst. Amph. p. 170 ; Bouleng. Cat. Sn. i. p. 272. 



1. Helicops bicolor. 



Limnophis bicolor Giinth. Ann. &, Mag. N. H. (3) xv. 1865, 

 p. 96, pi. ii. fig. C. 



Helicops bicolor Bouleng. t. c. p. 274 ; Bocage, Herp. Ang. 

 p. 76. 



Angola ; N.W. Rhodesia. 



3. Hydr^ethiops. 



Giinth. Ann. & Mag. N. H. (4) ix. 1872, p. 28 ; Bouleng. Cat 

 Sn. i. p. 280. 



1. HydR/ETHIOPS melanogaster Giinth. 1. c. pi. iii. fig. G; 

 Bouleng. t. c. p. 281 ; Bocage, Herp. Ang. p. 77. 

 West Africa, from Cameroon to the Congo. 



4. Glypholycus. 



Giinth. P. Z. S. 1893, p. 629 ; Bouleng. Cat. Sn. iii. p. 615. 



1. Glypholycus bicolor Giinth. 1. c. fig. ; Bouleng. 1. c. 

 Lake Tanganyika. 



5. BOTHROPHTHALMUS. 



Peters, Mon. Berl. Ac. 1863, p. 287 ; Bouleng. Cat. Sn. i. p. 324. 



1. BOTHROPHTHALMUS LINEATUS. 



Elaphis (Botkrophthalmus) lineatus Peters, 1. c. 

 Bothrophthalmus lineatus Bouleng. 1. c. ; Bocage, Herp. An^. 

 p. 83. 



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

 the Coneo. 



