112 COLUBRID. 
internasals much shorter than the prefrontals; frontal as long as: 
broad or slightly longer than broad, as long as or a little longer 
than its distance from the end of the snout, shorter than the 
parietals ; loreal as long as deep or longer than deep; one prae- 
ocular, not reaching the upper surface of the head; two postoculars; 
temporals 1+2, 2+2, or 2+3; seven upper labials, third and 
fourth entering the eye ; four or five lower labials in contact with 
the anterior chin-shields, which are as long as or a little longer than 
the posterior. Scales in 17 rows. Ventrals 171-208; anal entire;. 
subcaudals 80-97, single. Reddish or pale brown to blackish above,. 
paler brown or yellowish on the sides; upper surface of head and 
nape blackish, with or without a yellowish band across the temples 
and occiput ; ‘beneath yellowish white. 
Total length 870 millim.; tail 200. A larger specimen, with 
injured tail, measures 1060 millim. to vent. 
Guianas, Brazil. . 
a, ¢ (V. 171; C. 84). Demerara. J. J. Quelch, 
b. do (V.177; 0.96). Para. Dr. E. A. Géldi [P 
c. 2 (V.190; C.80). Para. 
d,e $ (V.208;C.83) Rio Janeiro. A, Fry, Esq. ait 
& yg. (V. 199; C. 82). 
i V. 201; C. ?). ae? Organ Ab E. Petre, Esq.. 
g- 2 (V. 199; C, 82). Brazil. Dr, Gardner [C.]}. 
16. Oxyrhopus neuwiedii. 
Se = coronata, Wied, Abbild. tiga Cope, Proc. Ac. Philad. 
860, p. 79; Jan, Icon. Gén. 34, pl. v. & 4 (1870), 
Lycodon cleelia, part., Schleg. Phys. Piao te il. o 114 (1887). 
—— clelia, T’rosch. in ee pak Brit. Guian. iii, é53 (1848). 
Scytale neuwiedii, part Bibr. vii. p. 1001 Gigbay, 
—— coronatum, forge Ginth, at. p. 187 (1358), 
Olisthenes euphzeus, Cope, Proc, Ac. Philad. 1859, p. 296. 
Pseudoboa neuwiedii, Cope, Proc. Ac. Philad. 1860, p. 260, 
Olisthenes coronatus, Cope, Proc. Ac. Philad. 1868, p. 107. 
Eye rather small ; snout obtuse, moderately projecting. Rostral 
broader than deep, forming an obtuse angle above, the portion visible 
from above measuring about one half its distance from the frontal ; 
internasals much shorter than the prefrontals; frontal a little 
longer than broad, as long as or a little shorter than its distance 
from the end of the snout, shorter than the parietals ; loreal much 
longer than deep; one preeocular, not reaching the upper surface of 
the head; two postoculars; temporals 2+ 2 or 2+3; eight (excep- 
tionally seven) upper labials, fourth and fifth (or third and fourth) 
entering the eye; four lower labials in contact with the anterior 
chin-shields, which are as long as or a little shorter than the 
posterior. Scales in 19 rows. Ventrals 177-205; anal entire; 
subcaudals 64-96, single. Pale brown or whitish above, uniform 
or with a few scattered blackish spots; upper surface of head and 
‘ 
ae i. 
