164, PHILODRYAS. 131 
Callirhinus eager Girard, Proc. Ac. Philad. 1857, p. 182, 
and U.S. Explor. Exped., Herp. P: 139, pl. xii. figs. 1-6 (1858). 
Philodryas schottii, Giinth. Cat. p. 125 (1858) ; Hensel, Arch. f. Nat. 
1868, p. 332; Boettg. Zeitschr. f. Naturw. lviii. 1885, p, 235 ; 
Bouleng. Ann. & Mag. N. H. (5) xviii. 1886, p. 434. 
Euophrys modestus, Giinth. I. c. p. 189, and Ann. §& Mag. N. H. (4) 
ix. 1872, p. 29. 
Pseudophis schottii, Cope, Proc. Ac. Philad. 1862, p. 348. 
—— patagoniensis, Cope, J. c. 
Liophis peecilostictus, Jan, Arch. Zool. Anat. Phys.. ii. 1863, p. 189, 
and Icon. Gén. 13, pl. vi. fig. 2 (1865). 
Dirrhox patagoniensis, Cope, Proc. Amer. Philos. Soc. xxiv. 1887, 
. 58, 
Pp 
Kye about two thirds length of snout. Rostral nearly as deep as 
broad, well visible from above ; internasals shorter than the pre- 
frontals ; frontal once and two thirds to twice as long as broad, as 
long as its distance from the end of the snout, as long as the 
parictals ; loreal as long as deep or deeper than long, rarely a little 
longer than deep; one preocular, extending to the upper surface of 
the head but rarely reaching the frontal; two postoculars ; tem- 
porals 1+1,1+2, or 24+2; seven or eight upper labials, third 
and fourth or fourth and fifth entering the eye ; four lower labials 
in contact with the anterior chin-shields, which are as long as or a 
little longer than the posterior. Scales smooth, with single apical 
pits, in 19 rows. Ventrals rounded, 157-199; anal divided; 
subcaudals 74-119. Yellowish or pale olive above, the scales 
usually edged with darker or lighter, with or without small black 
spots; two rather indistinct light lines may run along the back; 
sutures between the head-shields usually blackish ; yellow or white 
beneath, with the shields black-edged on the sides. 
Total length 1550 millim.; tail 350. 
Brazil, Paraguay, Uruguay, Argentina, Northern Patagonia. 
a. 3 (V.170; C. ?). Pernambuco. J. G. Smith, Esq. 
bof k 
6. Yg. (V.164; C.108). Bahia. Dr. O. Wucherer 
a C.}. 
e. 3 (V.181;.C. 119). Porto Real, Prov. Rio wt ay du Dréneuf 
Janeiro. [C.]. 
d. Yg.(V.193;C.101). 8. José dos Campos, Mr, A. Thomson [P.], 
Prov. S. Paulo. 
e-g, h-t. § (V.191,188; §, Lorenzo, RioGrande Dr. v. Ihering [C.]. 
C.96,?),her.(V.190; do Sul. 
C. 96), & yg. (V. 199, 
179; C. 101, ?). 
k. Hgr. (V.177; C. 108). Rio Grande do Sul. 
Z. 2 (V. 185; C. 95). Asuncion, Paraguay. Dr. Bohls ict 
m. 3 (V. 157; C. 80). Paraguay. Prof. seat | . |e 
n—p, qr. (V. 165,168; Soriano, Uruguay. R. Havers, Esq. [P.]. 
C. 101, 80), 2 (V. 178; 
C. 94), & yg. (V. 174, 
169; C. 88, 75). 
8. 2 (V.1738; C. 74). Uruguay. 
t. 3 (V. 180; C. 83). Buenos Ayres. G. Wilkes, Esq. [P.}. 
K2 
