LIST OF SOUTH AFRICAN SNAKES. 457 



25. MACRELAPS. 



Bouleng. Cat. Sn. iii. p. 255. 



I. Macrelaps microlepidotus. 



Uriechis microlepidotus, Giinth. Ann. & Mag. N. H. (3) v., i860, p. 168, 



pi. ix. 

 Macrelaps microlepidotus, Bouleng., l.c. 

 Natal, Eastern parts of Cape Colony. 

 Cape Colony : Port St. Johns (Kannemeyer). 

 Natal: Durban (Bowker). 



26. APARALLACTUS. 



Smith, 111., Rept., App. p. 15 ; Bouleng. Cat. Sn. iii. p. 255. 



Two Species in South Africa. 



Nasal divided ; ventrals 153-180 .. .. .. A. guentheri. 



Nasal entire ; ventrals 138-166 .. .. .. A. capensis. 



1. APARALLACTUS GUENTHERI, Bouleng. Ann & Mag. N. H. (6) xvi., 1895, 



p. 172, and t.c, p. 259, pi. xi. fig. 2. 

 East and Central Africa, Angola, Southern Rhodesia. 



2. APARALLACTUS CAPENSIS, Smith, Op. c, p. i6 ; Bouleng., t.c, p. 259. 

 South and East Africa, 



Cape Colony : East London (Londt) ; Burghorsdorp (Kannemeyer). 

 Transvaal: Leydenburg (Kilgour) ; Modderfontein (Haagner). 



C.—PRO TEROGL YPHA . 



27. HYDRUS, 



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 . . . . . . . . . . . . . . N. haie. 



17 scales across neck as well as across body . . . . N. anchietcB. 



II. 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 . . A'', nigricollis. 



