458 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 River Colony. 
Cape Colony: Cape Peninsula (Southey); Worcester (Lycett) ; 
Robertson (Hodges) ; George (Frere) ; Piquetburg (Watermeyer) ; 
Caledon (Burgess; Port Elizabeth (Matcham); Kimberley 
(French). 
Natal (Ellman). 
Transvaal: Ermelo (Watermeyer). 
2. HOMORELAPS DORSALIS. 
Elaps dorsalis, Smith, Ill., Rept., App. p. 21. 
Homorelaps dorsalis, Bouleng., t.c., p. 410. 
Eastern parts of Cape Colony, Natal, Orange River Colony. 
Orange River Colony: Brandfort (Haagner) ; Smithfield (Itannemeyer). 
33. DENDRASPIS. 
Schleg. Versl. Zool. Gen. Amsterd. 1848; Bouleng., Cat. Sn. ili. 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 .. ae sie ae 50 .. D. angusticeps. 
Scales in 25 rows; 9 upper labials ; upper anterior tem- 
poral twice as long as the lower ; oc .. D.mamba. 
I. DENDRASPIS ANGUSTICEPS. 
Naja angusticeps, Smith, Ill., Rept. pl. lxx. 
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. 
Famity VIPERID. 
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 covere 
with scales ae Be re be se Bo Peck 
Eye minute, with round pupil ; head small, covered with 
large symmetrical shields ; loreal absent .. .. Atvactaspis. 
1. CAUSUS. 
Wagler, Syst. Amph. p. 172; Bouleng. Cat. Sn. ili. p. 465. 
Two Species in South Africa. 
Snout obtuse, more or less prominent ; ventrals 120-155 C. vhombeatus. 
Snout pointed, prominent, more or less turned up at the 
end; ventrals 113-125 sc cae Do .. C. defilippit. 
