46o THE SNAKES OF SOUTH AFRICA. 



1. HOMORELAPS LACTEUS. 



Coluber lacteus, Linn. S. N. i. p. 381. 



Homorelaps lacteus, Bouleng., t.c, p. 409. 



Cape Colony, Natal, Orange Free State. 



Cape Colony : Cape Peninsula (Southey) ; Worcester (Lycett) ; 



Robertson (Hodges) ; George (Frere) ; Piquetburg (Watermeyer) ; 



Calcdon (Burgess ; Port Elizabeth (Matcham) ; Kimberley 



(French). 

 Natal (Ellman). 

 Transvaal : Ermclo (Watermeyer). 



2. Homorelaps dorsalis. 



Elaps dorsalis, Smith, 111., Rept., App. p. 21. 



Homorelaps dorsalis, Bouleng., i.e., p. 410. 



Eastern parts of Cape Colony, Natal, Orange Free State. 



Orange Free State : Brandfort (Haagner) ; Smithfield (Kannemeyer). 



33. DENDRASPIS. 

 Schleg. Versl. Zool. Gen. Amsterd. 1848 ; Bouleng., Cat. Sn. iii. p. 434. 



Two Species in South Africa. 



Scales in 19 to 23 rows in the middle of the body ; 8 

 upper labials ; upper anterior temporal not longer 

 than the lower . . . . . . . . . . . . D. angusticeps. 



Scales in 25 rows ; 9 upper labials ; upper anterior tem- 

 poral twice as long as the lower . . . . . D. tnamba. 



1. Dendraspis angusticeps. 



Naja angusticeps. Smith, 111., Rept. pi. Ixx. 



Dendraspis angusticeps, Bouleng., t.c, p. 437. 



Natal, Zululand, Transvaal, Southern Rhodesia, East and Central 



Africa. 

 Natal : Durban (Butler) ; Zululand (Jones). 



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

 Transvaal. 



D.—SOLENOOL YPHA . 



Family VIPERID^E. 



Synopsis of the South African Genera. 



Eye moderate, with round pupil ; head covered with 



large symmetrical shields ; loreal present . . . . Causus. 



Eye moderate or small, with vertical pupil ; head covered 



with scales . . . . . . . . . . . . Bitis. 



Eye minute, with round pupil ; head small, covered with 



large symmetrical shields ; loreal absent . . . . Atractaspis. 



I. 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. rhombeatus. 

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



end; ventrals 11 3-1 25 .. .. .. .. C. defilippii. 



