Revised List of South African Reptiles and Batrackians. 521 



2. Dendraspis mamba, Gough, Ann. Transv. Mus. i,, 1908, p. 37, 



fig- 

 Transvaal. 



Family VIPERID^. 



Synopsis of the South African Genera. 



Eye moderate, with round pupil ; head covered with large symmetrical 



shields; loreal present Cdiisiii^. 



Eye moderate or small, with vertical pupil ; head covered with 



scales BitU. 



Eye minute, with round pupil; head small, covered with large sym- 

 metrical shields ; loreal absent dtractaspis. 



1. CAUSUS. 

 Wagler, Syst. Amph. p. 172 ; Bouleng. Cat. Sn. iii. p. 465. 



Two Species in South Africa. 



Snout obtuse, more or less prominent ; ventrals 120-155 .. .. C. rhoinbc(itU!<. 



Snout pointed, prominent, more or less turned up at the end ; 



ventrals 113-125 C. ilefdippii. 



1. Causus rhombeatus. 



Sepedon rJtombecUus, Lichtenst. Verz. Doubl. Mus. Bed. p. 106. 



Causiis 7-hombeatus, Bouleng., t.c, p. 467. 



Tropical and South Africa. 



Cape Colony : Cape Peninsula (Tinley) ; Knysna (Oakley) ; 



Burghersdorp (Kannemeyer) ; Tsomo. Transkei (Watermeyer) ; 



George (Leipoldt) ; Port St. Johns (Shortridge) ; Kimberley 



(French). 

 Basutoland : Morija (Dyke). 

 Natal : Durban (Bowker). 



Transvaal: Barberton (Kendall) ; Krugersdorp (Watson). 

 Southern Rhodesia : Salisbury (Marshall) ; Mazoe (Darling). 



2. Causus DEFiLiprii. 



Heterodon defilippii, Jan, Arch. Zool. Anat. Phys. ii. 1862, 



p. 225. 

 Causus defilippii, Bouleng., t.c., p. 469. 



Natal, Transvaal, Southern Rhodesia, Central and East Africa. 

 Natal : Pinetown (Bowker). 

 Transvaal : Barberton (Kendall). 

 Rhodesia : Salisbury (Thomas) ; Livingstone (Sykes). 



