———" 
28 TYPHLOPIDA. 
Icon. Gén. p. 10, 1. 4, pl. vi. fig. 1, & 1. 5, pls. v. & vi. fig. 7 
1864). 
A his reticulatus, Gray, Cat. Liz. p. 187 (1845). 
Ophthalmidion crassum, A. Dum. Cat. Méth. Rept. p. 202 (1851). 
Snout rounded; nostrils lateral. Rostral hardly one third the 
width of the head, extending to the level of the eyes ; nasal incom- 
pletely divided, the cleft proceeding from the second labial; a pra- 
ocular, a little narrower than thé nasal or the ocular, in contact 
with the second and third labials ; eyes distinct ; upper head-scales 
slightly enlarged ; four upper labials. Diameter of body 22 to 30 
times in the total length; tail broader than long, ending in a spine. 
20 scales round the body. Dark brown or black above, uniform or 
the scales edged with lighter ; snout, tail, and lower parts yellowish. 
Total length 300 millim. 
‘Tropical South America. 
a, Ad. Demerara. Dr, Hannah [P.}. 
b. Ad. Macasseema, Brit. Guiana. W. L. Sclater, Esq. [P.]. 
ce. Ad. Cayenne. 
d. Ad. Bahia. Dr. Wucherer [C.]. 
e. Ad. Yurimaguas, Huallaga R. Dr. Hahnel . : 
fy. Y¢. Moyobamba, E. Peru. A. H. Roff, Esq. [C.]. 
30. Typhlops tenuis. 
Typhlops tenuis, Salvin, Proc. Zool. Soc. 1860, p. 454. 
—— perditus, Peters, Mon. Berl. Ac. 1869, p. 485; Bocourt, Miss. 
Se. Mex., Rept. p. 499, pls. xxix. fig. 3, & xxx. fig. 3 (1882). 
— basimaculatus, Cons Proc. Ae. Philad. 1866, p. 320. 
—— prelongus, F. Miiller, Verh. naturf. Ges. Basel, vii. 1885, 
p- 674. 
Snout rounded, very prominent ; nostrils lateral. Rostral about 
one third the width of the head; nostril between two nasals, the 
anterior in contact with the first and second labials; a preocular, 
as large as the ocular, in contact with the second and third labials ; 
eyes hidden or just distinguishable; upper head-scales scarcely 
enlarged; four upper labials. Diameter of body 50 to 62 times 
in the total length; tail as long as broad or a little broader than 
long, ending in a spine. 18 scales round the body. Pale brown | 
above, yellowish inferiorly ; or yellowish, each dorsal scale with a 
brown spot. 
Total length 310 millim. 
Central America. 
a, Ad. Coban, Vera Paz. O. Salvin, Esq. [C.]. 
(Type.) 
b. Ad. Guatemala, 
ce. Ad, Orizaba. 
d. Ad. Teapa, Tabasco. O..Salvin & F, D, Godman, 
Esgqrs. [ P.]. 
e-f,g. Ad. &hgr, Mexico M. Sallé [C.}. 
