THE SNAKES OF SOUTH AFRICA, 
horizontal edge; 24 scales round the body. Preocular in con- 
tact with the second and third labials; diameter of body 30 
times in total length. 
- TYPHLOPS ANCHIET&.—Snout with obtusely angular, not trenchant, 
horizontal edge ; 30 or 32 scales round the body. Preocular in 
contact with the second labial only ; diameter of body 24 times 
in total length; eye not distinguishable. 
. TYPHLOPS BIBRONII.—Snout with obtusely angular, but not trenchant, 
horizontal edge; 30 to 34 scales round the body. Preocular in 
contact with the second labial (rarely second and third) ; diameter 
of body 28 to 36 times in total length ; eye distinct. 
. TYPHLOPS DELALANDII.—Snout not hooked (in profile). Snout with 
sharp, trenchant, horizontal edge; 28 to 30 scales round the 
body ; diameter of body 35 to 50 times in total length. 
. TYPHLOPS MUCROSO.—Snout not hooked (in profile). Snout with 
sharp, trenchant, horizontal edge ; 30 to 38 scales round the body ; 
diameter of body 25 to 35 times in total length, 
. TYPHLOPS DINGA.—Snout with sharp, trenchant, horizontal edge. 
Snout not hooked (in profile) ; 34 to 40 scales round the body ; 
diameter of body 42 to 46 times in total length. 
. TYPHLOPS SCHLEGELII.—Snout with sharp, trenchant, horizontal edge. 
Snout not hooked (in profile) ; 40 to 44 scales round the body ; 
diameter of body 25 to 30 times in total length. 
. TYPHLOPS SCHINzI.—Snout hooked. Snout with sharp, trenchant, 
horizontal edge; 24 to 26 scales round the body; diameter of 
body 45 to 57 in total length. 
EYPHEOPSs: 
Ten Species in South Africa. 
. TYPHLOPS VERTICALIS. The Yellow-brown Blind Snake. Geel-bruin 
Slang. 
Synonym—Onychocephalus verticalis. 
Colour—uniform brownish-yellow. 
Average length—6 to 8 inches. 
Distribution—Western Province of Cape Colony. 
. TYPHLOPS FORNASINII. East African Blind Snake. 
Colour—bluish or greyish. Anal region yellowish. 
Average length—6 to 8 inches. 
Distribution—Delagoa Bay ; Portuguese East Africa. 
. TYPHLOPS MOSSAMBICUS. Mossambique Blind Snake. 
Synonym—Onychocephalus mossambicus. 
Colour—Dark brown ; lower surface of head and anal region vellowish. 
Average length—6 to 7 inches. 
Distribution—Zululand ; Northwards to Portuguese Fast Africa. 
4. TYPHLOPS ANCHIET#. Anchieta’s Blind Snake. 
Colour—Pale yellow, with greyish-brown blotches. 
Average length—®6 inches. 
Distribution—Transvaal ; Angola. 
5. TYPHLOPS BIBRONII. Variously known as the Blind Snake; Two- 
headed Snake; Ground Snake; Aard Slang; Tweekop Slang. 
Synonym—Onychocephalus bibronit. 
