54 XTPHLOPID^. 



distinguishable, under the suture between the praeooular 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. TypMops inornatus. (Piatb III. fig. 6.) 



Typhlops inornatus, Boulmg. Ann. 8f Mag. N. H. (6) i. 1888, 

 p. 344. 



Snout depressed, rounded, moderately projecting ; nostrils lateral. 

 Eostral 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 ; praeocular 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 43 times in the total length ; tail a little longer 

 than broad, ending in a spine. 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. [0.]. (Type.) 



92. TypMops pallidus. 



Letheobia paEida, Cope, Proc. Ac. Philad. 1868, p. 322. 



Snout rounded, strongly projecting ; nostrils inferior. Eostral 

 very large, its posterior border broadly truncate and in contact with 

 the supraoculars and the prsefrontal ; nostril close to the rostral, 

 between two nasals, the anterior of which is in contact with the 

 first and second labials ; a prseocular, 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 milhm. 



Zanzibar. 



a. Ad. Zanzibar. Sir J. Kirk [C.]. 



b. Ad. Zanzibar. Sir Lambert Playfair [P.]. 



93. TypMops Inmbriciformis. 



Onychocephalus (Letheobia) lumbriciformis, Peters, Mon. Berl. Ac. 

 1874, p. 377. 



Snout strongly projecting, with sharp horizontal edge ; nostrils 

 inferior. Eostral very large, its posterior border in contact with 



