List OF SOUTH, APRICAN. SNAKES. 455 
25. MACRELAPS. 
Bouleng. Cat. Sn. ili. p. 255. 
I. MACRELAPS MICROLEPIDOTUS. 
Uriechis microlepidotus, Ginth. Ann. & Mag. N. H. (3) v., 1860, p. 168, 
DI abe 
Macrelaps microlepidotus, Bouleng., /.c. 
Natal, Eastern parts of Cape Colony. 
Cape Colony: Port St. Johns (Kannemeyer). 
Natal: Durban (Bowker). 
26. APARALLACTUS. 
Smith, Ill., Rept., App. p. 15; Bouleng. Cat. Sn. iii. p. 255. 
Two Species in South Africa. 
Nasal divided ; ventrals 153-180 a, ae .. A. guentheri. 
Nasal entire ; ventrals 138-166 ie =o .. A. capensis. 
1. APARALLACTUS GUENTHERI, Bouleng. Ann & Mag. N. H. (6) xvi., 1895, 
p- 172, and ¢.c., p. 259, pl. xi. fig. 2. 
East and Central Africa, Angola, Southern Rhodesia. 
2. APARALLACTUS CAPENSIS, Smith, op. c., p. 16; Bouleng., Z.c., p. 259. 
South and East Africa, 
Cape Colony: East London (Londt) ; Burghersdorp (Kannemeyer). 
Transvaal: Leydenburg (Kilgour); Modderfontein (Haagner). 
C.—OPISTHOGLY PH. 
27 VOD IWS: 
Schneid. Hist. Amph. i. p. 233; Bouleng. Cat. Sn. iii. p. 266. 
I. HYDRUS PLATURUS. 
Anguis platurus, Linn. S. N. i. p. 391. 
Hydrus platurus, Bouleng., t.c., p. 267. 
Indian Ocean and Tropical Pacific ; coast of Cape Colony. 
Table Bay and False Bay (Stockdale, Fisk) ; George; Cape Agulhas 
(J. van Breda). 
28. NAIA. 
Laurenti, Syn. Rept. p. 90; Bouleng. Cat.-Sn. iii. p. 372. 
Four Species in South Africa. 
I, Suboculars separate the eye from the upper labials. 
21 or 23 scales across neck, 19 to 21 across middle of 
body .. ae .. N. haie. 
17 scales across neck as well as across body ote N. anchieta. 
Il. Third or third and fourth upper labials entering 
the eye. 
Sixth upper labial largest and in contact with post- 
oculars ; 23 scales across neck .. N. flava. 
Third upper labial deepest, sixth not in contact with 
postoculars ; 23 to 29 scales across neck .. N. nigricollis. 
