12 TYPHLOPIDR. 
C. Snout not hooked, with obtusely angular horizontal edge ; 
nostrils inferior. 
1. Eye not distinguishable. 
a. 26 to 32 scales round the middle of the body; diameter 
of body 19 to 28 times in the total length. 
Nasal cleft proceeding from the first labial ; 
middle dorsal scales larger than the 
Cs PT ee re La cule ny 60. congicus, p. 40. 
Nasal cleft proceeding from the first labial ; 
three upper labials....°°............ 61. hallowellii, p. 40. 
Nasal cleft proceeding from the lower 
lateral border of the rostral .......... 62. anchiete, p. 40. 
b. 24 scales round the middle of the body ; diameter of body 
53 times in the total length.. 65. buchholzi, p. 41. 
2. Eye distinguishable. 
a. Diameter of body 44 to 50 times in the total length ; 20 
or 22 scales round the middle of the body. 
59. boettgeri, p. 39. 
b. Diameter of body 21 to 36 times in the total length. 
Nasal completely divided into two; 24 
scales round the middle of the body.... 63. mossambieus, p. 41. 
Nasal incompletely divided; 22 or 24 scales 
round the middle of the body ; ocular in 
contact with the second, third, and fourth 
labiads . 5c .5 5. pris eee alae 64, tettensis, p. 41. 
Nasal semidivided ; 24 to 30 scales round 
the middle of the body ; preocular not 
more than half as broad as the ocular .. 66. punctatus, p. 42. 
Nasal semidivided; 30 to 32 scales round 
the middle of the body; preocular a 
little narrower than the ocular........ 67. bibronii, p. 44. 
D, Snout more or less distinctly hooked in profile, or with sharp 
eutting horizontal edge ; nostrils inferior. 
* 
at 
1. 28 to 42 scales round the body ; snout not hooked, 
a. Nasal cleft extending from the first labial to the nostril. 
- ¢ a 
© barrens | ps. vain ty ys oan er, 
a. The portion of the rostral visible from below broader — 
than long. 
