54 TYPHLOPID&. 
distinguishable, under the suture between the preocular and the 
ocular ; supraocular larger than ocular ; four upper labials. Body 
slender, the scales in 18 rows; tail very short. Yellowish olive, 
brighter yellow posteriorly. 
Total length 275 millim. 
Yucatan. 
91. Typhlops inornatus. (Pare III. fig. 6.) 
Typhlops inornatus, Bouleng: Ann. § Mag. N. H. (6) i. 1888, 
p. 344. 
Snout depressed, rounded, moderately projecting ; nostrils lateral. 
-Rostral nearly half the width of the head, not extending to the 
level of the eyes; nostril between two nasals, the anterior in contact 
with the first and second labials; preocular present, larger than 
the ocular, in contact with the second, third, and fourth labials ; 
ocular separated from the labials by a subocular ; eyes distinguishable ; 
upper head-scales feebly enlarged ; four upper labials, third largest. 
Diameter of body 438 times in the total length; tail a little longer 
than broad, ending in aspine. 20 scales round the body. Uniform 
black ; borders of mouth and end of tail yellowish. 
Total length 170 millim, 
New Guinea. 
a. Sogere, 1750 feet. H. O. Forbes, Esq. [O.]. (Type.) 
92. Typhlops pallidus. 
Letheobia pallida, Cope, Proc. Ac. Philad. 1868, p. 322. 
Snout rounded, strongly projecting; nostrils inferior. Rostral 
very large, its posterior border broadly truncate and in contact with 
the supraoculars and the prefrontal; nostril close to the rostral, 
between two nasals, the anterior of which is in contact with the 
first and second labials; a preocular, in contact with the second 
and third labials ; eyes not distinguishable; ocular small, separated 
from the labials by a subocular, and in contact with the nasal ; four 
upper labials. Diameter of body 58 to 60 times in the total length ; 
tail as long as broad, ending in a spine. 22 scales round the body. 
Colourless. 
Total length 180 millim. 
Zanzibar. 
a, Ad. Zanzibar. Sir J. Kirk [Ck 
b. Ad. Zanzibar. Sir Lambert Playfair [P.}. 
93. Typhlops lumbriciformis. 
Onychocephalus (Letheobia) lumbriciformis, Peters, Mon. Berl. Ac. _ 
1874, p. 377. a? 
_ Snout strongly projecting, with sharp horizontal edge; nostrils 
inferior, Rostral very large, its posterior border in contact with 
