2. rypHiops. 49 
nasal, a little narrower than the ocular, in contact with the second 
and third labials ; eyes distinct ; parietals broad; four upper labials. 
Diameter of body 44 to 46 times in the total length; tail as long 
as broad or a little longer than broad. 20 scales round the body. 
Brown above, whitish inferiorly. 
Total length 320 millim. 
Australia *. 
a. Ad, Queensland. Indian Museum [E.]. 
78. Typhlops ung uirostris. 
hlops (Onychocephalus) unguirostris, Peters, Mon. Berl. Ac. 
Ter». 708, pl. — fig. 8. ; 
Snout very prominent and somewhat hooked, with sharp cutting 
edge and inferior nostrils; nasal swollen above the nostril. 
Rostral very large, extending nearly to the level of the eyes, the 
portion visible from below longer than broad; nasal nearly com- 
pletely divided, the cleft proceeding from the second labial; pre- 
ocular present, narrower than the nasal or the ocular, in contact 
with the second and third labials ; eyes distinct; supraoculars and 
parietals much larger than the scales on the body; four upper 
labials. Diameter of body 62 (or 56) times in the total length; 
tail nearly as long as broad, with a minute terminal point. 22 er 
24) scales round the body. Pale brown above, yellowish inferiorly. 
Total length 500 millim. 
North Australia. 
a, Ad. N.W. Australia. 
79. Typhlops affinis. (Pare III. fig. 3.) 
Typhlops affinis, Bouleng. Ann. § Mag. N. H. (6) iv. 1889, p. 363. 
This small 7’yphlops has been regarded by. Peters (Mon. Berl. 
Ac. 1867, p. 709) as the young of 7’. unguirostris, with which it 
agrees in every respect except in having only 18 scales round the 
body and a somewhat longer tail. Diameter of body 57 times in 
the total length. 
Total length 170 millim. 
Queensland. 
a. Yg.? Queensland. Col. Beddome [C.]. (Type.) 
80. Typhlops arenarius. 
Onychocephalus arenarius, Grandid. Ann. Sc. Nat, (5) xv. 1872, 
art. 20, p. 9. 
Snout very prominent; nostrils inferior. Rostral large, with 
* The specimen is stated to be from Adelaide ; a half-grown specimen 
from the Edward River, New South Wales, is preserved in the Zoological 
Museum of Cambridge University. 
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