Mr. G. A. Boulenger on new Typhlopide. 361 
distinguishable under the ocular; four upper labials, first 
largest, third in contact with the ocular. Diameter of body 
55 times in the total length; tail a little longer than broad, 
ending ina spine. 20 scales round the body. Brown, each 
seale darker in the centre; snout and anal region yellowish. 
A single specimen, 110 millim. long, from Guayaquil, 
collected by Mr. Fraser. 
Helminthophis Guenthert. 
Rostral one third the width of the head, extending to the 
level of the eyes, rounded posteriorly, and forming a suture 
with the frontal, which is very broad; eye distinguishable 
under the ocular; four upper labials, first largest, third in 
contact with the ocular. Diameter of the body 50 times in 
the total length; tail twice as long as broad, ending in a 
spine. 20 scales round the body. Olive-brown above, head 
white ; yellowish inferiorly, with small scattered olive spots. 
A single specimen, 170 millim. long, from Porto Real, 
Province Rio Janeiro, collected by M. Hardy du Dréneuf. 
Typhlops leucoproctus. 
Snout rounded, moderately projecting; nostrils lateral. 
Rostral about one third the width of the head, extending to 
the level of the eyes; nasal nearly completely divided, the 
cleft proceeding from the second labial ; preeocular present, a 
little narrower than the nasal or the ocular, in contact with 
the second and third labials; eye distinguishable; upper 
head-scales moderately enlarged ; four upper labials. Dia- 
meter of body 40 to 65 times in the total length ; tail once and 
a half to twice as long as broad, ending ina spine. 20 scales 
round the body. Dark brown, somewhat lighter inferiorly ; 
labial and anal regions yellowish. 
Fly River (New Guinea) and Murray Island (Torres 
Straits), collected. by the Rev. S. Macfarlane; Queensland. 
The largest specimen measures 220 millim. 
Typhlops comorensis. 
Snout depressed, rounded, strongly projecting; nostrils 
lateral. Rostral two fifths the width of the head, extending 
to the level of the eyes; nasal semidivided, the cleft pro- 
ceeding from the second labial; preocular present, as broad 
as the ocular, in contact with the second and third labials; 
eye distinct; upper head-scales feebly enlarged ; four upper 
labials. Diameter of body 54 times in the total length; tail 
