454 THE SNAKES OF SOUTH AFRICA. 
21. THELOTORNIS. 
Smith, Ill., Rept. ; Bouleng. Cat. Sn. iii. p. 184. 
1. THELOTORNIS KIRTLANDII. 
Leptophis kivtlandii, Hallow. Proc. Ac. Philad., 1844, p. 62. 
Thelotornis kivtlandi, Bouleng., t.c., p. 185. 
Tropical Africa, Southern Rhodesia, Portuguese East Africa, Zululand, 
Natal. 
Natal: Durban (Bowker). 
Portuguese East Africa: Delagoa Bay (De Coster). 
Southern Rhodesia: Irome (Blackbeard) ; Zambesi (Chapman). 
22. DISPHOLIDUS: 
Duvernoy, Ann. Sc. Nat. xxvi., 1832, p. 150; Bouleng. Cat. Sn. iii. 
p. 186. 
1. DISPHOLIDUS TYPUS. 
Bucephalus typus, Smith, Zool. Journ. iv., 1829, p. 441. 
Dispholidus typus, Bouleng., t.c., p. 187. 
Tropical and South Africa. 
Cape Colony: Cape Peninsula (Layard, Howes, Sclater); Knysna 
(Groom) ; Burghersdorp (Kannemeyer) ; Port St. Johns (Short- 
ridge) ; Port Elizabeth (Moorhouse). 
Natal: Durban (Bowker). 
Portuguese East Africa: Delagoa Bay (De Coster). 
Southern Rhodesia: Salisbury (Darling) ; Mazoe (Darling) ; Shangani 
District (Pillans). 
23. AMBLYODIPSAS. 
Peters, Mon. Berl. Ac., 1856, p. 592; Bouleng. Cat. Sn. iii. p. 244. 
1. AMBLYODIPSAS MICROPHTHALMA, 
Calamaria microphthalma, Bianconi, Spec. Zool. Mosamb. p. 94, pl. xii. 
Ree 
Amblyodipsas microphthalma, Bouleng., /.c. 
Portuguese East Africa, Zululand. 
24. CALAMELAPS. 
Giinth. Ann. & Mag. N. H. (3) xviii., 1866, p. 26; Bouleng. Cat. Sn. iii. 
p- 245. 
Two Species in South Africa. 
Scales in 19 rows; ventrals 161-174 .. We .. C. warreni. 
Scales in 17 rows; ventrals 133-134 .. ae .. ©. concolor. 
I. CALAMELAPS WARRENI, Bouleng. Ann. Natal Mus. i., 1908, p. 234, fig. 
Zululand, Basutoland. 
Sesheke, Basutoland (Jalle). 
2. CALAMELAPS CONCOLOR, 
Choristodon concolor, Smith, Ill., Rept., App. p. 18. 
Calamelaps concolor, Bouleng. Cat. Sn. iii. p. 246. 
Calamelaps mivoni, Mocquard, Bull. Mus. Paris, 1905, p. 77. 
Caffraria, Natal. 
