14, HELICOPs, 277 
subcaudals 50-72. Dark olive-brown above, with four more or 
less distinct blackish stripes; a yellow stripe along the two lower 
rows of scales ; yellow or red beneath, with black spots or stripes 
on the belly, and a black stripe on the tail. 
Total length 1010 millim.; tail 180. 
Brazil. 
A. Belly with two regular longitudinal series of black spots. 
; (C. carinicaudus, Wied.) 
a. Q (V. 155; C. 54). Brazil. oe 
B. Belly with three black stripes. (H. infrateniatus, Jan; 
H., trivittatus, Cope.) 
b. Q (V. 135; C. 62). Rio Grande do Sul. Dr. H. v. Ihering [C. 
C. Belly checkered with black. (H. baliozaster, Cops. 
¢. 2 (V.182; 0.70). Rio Grande do Sul. Dr. H. v. Ihering , 
er 2 
D. Belly anteriorly as in B, posteriorly as in C. 
ae. 3 (V. 132; C.72) Rio Grande do Sul. Dr. H. v. Ihering [C. 
& yg. (V. 182; C. 65). to} 
—- ~~" - 
7. Helicops modestus. 
Helicops carinacaudus (non Wied), Gray, Cat. p. 71 (1849). 
—— modestus, Giinth. Ann. § Mag. N. H. (3) vii. 1861, p. 425, fig. ay 
? Helicops leprieurii, var. moesta, Jan, Arch. Zool. Anat. Phys. i 
1865, p. 253. 
as ph Reink. Vid. Meddel, 1366, p. 151, fig. 
e small; rostral visible from above, forming a narrow suture 
with the internasal; frontal twice as long as broad, much longer 
than its distance from the end of the snout, shorter than the 
parietals ; loreal deeper than long, sometimes fused with the pre- 
ocular; one or two pre- and two postoculars; temporals 142; 
seven or eight upper labials, third or fourth, or 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 shorter than 
the posterior. Scales in 19 rows, dorsals feebly keeled, laterals 
smooth. Ventrals 119-125; anal divided; subcaudals 43-67, ; 
Dark olive above, with three lighter stripes or with two blackish 
ones ; belly yellowish white, uniform or with a few brown spots. r 
' Total length 490 millim. ; tail 95. ] 
Brazil. 
$ 
F 
* The 3 pairs of chin-shields in the type specimen I rd as an anomal 
7 peas to Sgered tek qoavizacn of Iebhudguathdd tates by Dugia ta 1888, 3” 
