440 THE SNAKES OF SOUTH” AFRICA. 
Preocular a little narrower than the ocular, in contact 
Mle 
with the second labial only ; diameter of body 23 
to 30 times in totallength .. . I. fornasinit. 
Snout with obtusely angular, not trenchant, hori- 
zontal edge. 
24 scales round the body ; preocular in contact with the 
30 
30 
second and third labials ; diameter of body 30 times 
in total length .. re 5 Se 
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 .. T. anchiete. 
to 34 scales round the body; praocular in contact 
with the second labial (rarely second and third) ; 
diameter of body 28 to 36 times in total length ; eye 
distinct .. .. dL. bibvonw: 
~. mossambicus. 
~ 
III. Snout with sharp, trenchant, ‘horizontal edge. 
A. Snout not hooked (in profile). 
28 to 30 scales round body ; diameter of body 35 to 50 
times in total length T. delalandu. 
30 to 38 scales round body ; diameter of ‘body 25 to 35 
times in total length T. mucruso. 
34 to 40 scales round “body : diameter of ‘body. 42 to 49 
times in total length T. dinga. 
40 to 44 scales round body ; diameter of ‘body. 25 to 30 
times in total length : T. schlegelir. 
B. Snout hooked; 24 or 26 scales round body ; 
diameter of body 45 to 57 times in total length T. schinzt. 
iS) 
. TYPHLOPS VERTICALIS. 
Onychocephalus verticalis, Smith, Ill., Rept. pl. liv. 
Typhlops verticalis, Bouleng., t.c., p. 32. 
Interior of South Africa. 
Malmesbury (H. Gird). 
. TYPHLOPS FORNASINII, Bianconi, Spec. Zool. Mosamb. p. 13, pl. iii. 
fig. 1; Bouleng., ¢.c., p. 38. 
Portuguese East Africa. 
Delagoa Bay (De Coster). 
. TYPHLOPS MOSSAMBICUS. 
Onychocephalus mossambicus, Peters, Mon. Berl. Ac., 1854, p. 621. 
Typhlops mossambicus, Bouleng., t.c., p. 41. 
Portuguese East Africa, Zululand. 
. TYPHLOPS ANCHIET2®, Bocage, Jorn. Sc. Lisb. xi. 1886, p. 172; 
Bouleng., é.c., p. 40. 
Angola, Transvaal. 
. TYPHLOPS BIBRONII. 
Onychocephalus bibronii, Smith, Il., Rept. pl. li. fig. 2, and liv. figs. 
-8. 
= 
Typhlops bibronii, Bouleng., t.c., p. 44. 
Cape Colony, Basutoland, Natal. 
Cape Colony : Malmesbury ( (Gird) ; Bathurst District (Becker) ; Port 
St. Johns (Shortridge) ; Matatiele, East Griqualand (Tyrrel) ; 
Little Namaqualand (Péringuey). 
Basutoland: Morija (Dyke). 
Transvaal : Ee es (Kilgour). 
. TYPHLOPS DELALANDII, Schleg. Abbild. p. 38, pl. xxxii. figs. 17-20; 
Bouleng.,, t.c., p. 45. 
