75. LIOPHIS. 135 
ee (Lygophis) y-grecum, Peters, Sitzb. Ges. nat. Fr. 1882, 
p. 1 He 
ferns conirostris, Cope, Proc. Am. Philos. Soc. xxii. 1885, 
p. 191. 
Eye moderate; snout short and rather pointed. Rostral broader 
than deep, well visible from above; internasals as long as broad or 
broader than long, as long as or shorter than the preefrontals ; 
frontal nearly twice as long as broad, as long as or longer than its 
distance from the end of the snout, as long as the parietals ; loreal 
deeper than long; one pree- and two postoculars ; temporals 1+42 ; 
eight upper labials, fourth and fifth 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 149-168; anal 
divided ; subcaudals 58-68. Length of tail 43 to 5 times in the 
total length. Olive above, with four longitudinal series of dark 
spots; a light streak along the posterior half (sometimes the whole) 
of the body and tail; head brown, with a light Y- or y-shaped 
marking on the parietals ; upper lip yellowish, the shields usually 
with black sutures; belly yellowish, spotted or checkered with 
black. 
Total length 500 millim.; tail 105. 
Brazil, Paraguay. 
a. 9 (V. 155; C. 68). Brazil. J. S. Bowerbank,) (Types of 
Esq. [P.]. L. cont- 
b. 2 (V. 160; C. 68). Bahia. Haslar Collection. ) rostris.) 
c,d, & D Warylo2s.C., » Bahia: Dr. O. Wucherer [C. ]. 
63) & yg. (V. 155, 
L573 (C3642), 
f-g. 3 (V. 149; C.?) S. José dos Mr. A. Thomson /P.]. 
& 2 (V. 163;-C. 62). Campos, Prov. 
S. Paulo. 
h-t. Q (V. 156, 154; Rio Grande do Dr. H. vy. Ihering [C.]. 
C. 58, ?). Sul. 
k. Yg. (V. 156; C.63). Paraguay. Lord Dormer [P.]. 
10. Liophis viridis. 
Liophis viridis, Giinth. Ann. § Mag. N. H. (3) ix. 1862, p. 58, pl. ix. 
fig. Ds 
typhlus, var. prasina, Jan, Arch. Zool. Anat. Phys. ii. 1863, 
p- 288, and Icon. Gén. 18, pl. iv. fig. 3 (1866). 
Opheomorphus viridis, Cope, Proc. Ac. Philad. 1868, p. 102. 
Eye moderate; snout short and rather pointed. Rostral broader 
than deep, well visible from above ; internasals as long as broad, as 
long as or shorter than the preefronta]s ; frontal once and two thirds 
to twice as long as broad, longer than its distance from the end of 
the snout, as long as or a little longer than the parietals ; loreal as 
long as deep or deeper than long; one pre- and two postoculars ; 
temporals 1+2; eight upper labials, fourth and fifth entering the 
