110 COLUBRID. 
nm. 2 (V. 231; C.?) Bahia. Dr. O. Wucherer [C.]. 
& yg. (V. 218 ; C. 92). 
o. fo (V. 218; C.85). Sta. Catharina. Dr. F. Werner [E. 
p. Ye. (V. 204; C. 64). Rio Grande do Sul. Dr. H. v. Ihering [C.}. 
q% Brazil. 
B. Scales in 17 rows. 
a-b. Yg. (V. 206, 201; City of Mexico. Mr. Doorman [C.]. 
C. 83, 81). 
c-e. do (V. 198; C.75) W. Ecuador. Mr. Fraser [C.}. 
& PCY 215, 219; 
O. P, P). 
Ff. Q (V. 282; C.?). Demerara. Capt. Sabine [P.]. 
g. Q (V. 285; C. 72). Dominica. o oy Ramage, Esq 
h. & (V. 222; 0.82). St. Lucia. ar Ramage, Esq. 
12. Oxyrhopus maculatus. (Prare VI. fig. 2.) 
Snout broad, not prominent; eye small. Rostral broader than 
deep, the portion visible from above measuring one third its distance 
from the frontal; internasals shorter than the preefrontals ; frontal 
as long as broad, as long as its distance from the rostral, two thirds 
the length of the parietals; loreal a little longer than deep; one 
preocular, not reaching the upper surface of the head; two post- 
oculars; temporals 2+3; seven upper labials, third and fourth 
entering the eye; five lower labials in contact with the anterior 
chin-shields, which are as long as the posterior. Scales in 19 rows, 
Ventrals 214; anal entire; subcaudals 51 pairs, Dark brown 
above and below, with scattered, irregular, yellowish-white spots. 
Total length 1400 millim. ; tail 180; 
Uruguay. 
a, 2 (V. 214; CO. 51). Uruguay. 
13, Oxyrhopus occipitoluteus. 
Brachyruton occipitoluteum, Dum, § Bibr.. vii. p. 1009 (1854) ; 
Guachen. in Casteln, Anim. nouv, Amér, Sud, Rept. p. 62, pl. xi. 
xe: Jan, Icon. Gén. ge i i. fig. 2 (1870) ; Boettg. Zeitschr. 
. Naturw. (4) iv. 1885, p. 236. 
Eye rather small; snout rounded, scarcely projecting. Rostral 
as deep as broad, the portion visible from above measuring about 
half its distance from the frontal; internasals much shorter than 
the prefrontals ; frontal slightly longer than broad, as long as or a 
little shorter than its distance from the end of the snout, shorter 
than the parietals; loreal a little longer than deep; one preocular, 
just reaching the upper surface of the head but widely separated 
from the frontal; two postoculars ; temporals 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 
a 
