132 COLUBRID. 
u. d (V. 172; C. 83). Rio 3 Negro, Patagonia. F. Coleman, m 
v, w. d (V.171; a ) ex: Haslar Collectio 
& 2 ( . 178; C. P). (Types of Euophrys modestus ) 
x, Skel Dated: Uruguay. 
y, x. Skulls. Brazil. 
5. Philodryas bolivianus. (Puan IX. fig. 1.) 
Eye three fifths length of snout. Rostral a little broader than 
deep, visible from above; internasals shorter than the preefrontals ; 
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 slightly shorter 
than the parietals ; loreal as long as deep ; ; one preocular, in con- 
tact with or narrowly separated from the frontal; one or two 
postoculars; temporals 1+2; 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 smooth,,. 
with single apical pits, in 17 rows, Ventrals rounded, 168-187 ; 
anal divided; subcaudals 101-104. Olive above, with three darker, 
black-edged stripes; a black streak on the outer border of the 
parietal shields ; lower parts greyish olive, throat white. 
Total length 690 millim. ; tail 200. 
Bolivia. 
a-b. 5 a 187; C.101) & | Charobamba. 
yg. (V. 168; ©. 104). 
6. Philodryas psammophideus. 
Philodryas oh al ing Ar Giinth. Ann. § Mag. N. H. (4) ix. 
1872, l. iv. fig. A 
Dirrhor bativigetas, Ce Cope, Proc. Amer. Philos, Soc. xxiv. 1887, p. 58.. 
Eye about three fifths length of snout. Rostral nearly as deep 
as broad, well visible from above; internasals shorter than the 
preefrontals ; 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 
slightly shorter than the parietals; loreal longer than deep; one 
preocular, extending to the upper surface of the head but usually 
not reaching the frontal; two postoculars ; temporals 142 or 3; 
eight upper labials, fourth and fifth 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 smooth, 
with single apical pits, in 19 rows. Ventrals rounded, 184-204 ; 
anal divided; subcaudals 82-96. Yellowish brown or pale olive 
above, with a brown vertebral stripe three or five scales wide ; 
this stripe edged with a black line or a series of small black spots ; 
a dark lateral stripe, extending to the eye; a whitish lateral stripe 
on the outer ends of the ventrals and the lower half of the outer 
row of scales, edged below by a black line or series of dots; lips. 
yellowish, with a few black spots; belly yellowish, uniform or 
dotted with blackish. 
Total length 1080 millim, ; tail 280. 
Matto Grosso, Uruguay, Argentina, 
