182 COLUBRIDZ&. 
Ventrals 1383-163; anal divided; subcaudals 83-110. Brown 
above, with one or two yellowish streaks along each side, the 
lowermost bordered inferiorly by a dark purplish-brown streak 
running along the ends of the ventrals and the lower half of the 
outer row of scales; this dark streak may be replaced by a series 
of black spots along the outer ends of the ventrals; a dark brown 
streak on each side of the head, passing through the eye; upper 
labials yellowish: above, brown inferiorly; lower parts uniform 
yellowish. 
Total length 580 millim.; tail 200. 
Costa Rica, Colombia, Ecuador, Venezuela. 
a. 9 (V. 162; C. 83). Intac, Ecuador. Mr. Buckley [C.]. 
b-d. & (V. 144,183; C.?, Irazu, Costa _ F. D. Godman, Esq. [P.]. 
110) 09/(¥ F515 3022). Rica. (Types of Ablabes decipiens.) 
3. Urotheca euryzona. 
Pliocercus euryzonus, Cope, Proc. Ac. Philad. 1862, p. 72, and 1865, 
p- 190. 
Liophis splendens, Jan, Arch. Zool. Anat. Phys. ii. 1863, p. 302, and 
Icon. Gén. 18, pl. v. fig. 1 (1866). 
Elapochrus euryzona, Giinth, Biol. C.-Am., Rept. p. 197 (1893). 
Eye moderate; snout short and broad. Rostral twice as broad 
as deep, just visible from above; internasals half as long as the 
prefrontals ; frontal about once and a half as long as broad, slightly 
longer than its distance from the end of the snout, shorter than the 
parietals ; loreal as long as deep: one preocular, with a small sub- 
ocular below it; 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 a little shorter 
than the posterior. Scales in 17 rows. ,Ventrals 120-138; anal 
divided; subcaudals 116. Black above, with narrow pale (red?) 
transverse lines, about half the length of a scale, and equidistant ; 
these lines widen into irregular broad cross bars on the abdomen, 
where the red and black are in nearly equal proportions; a few 
small pale spots on the head. 
Total length 560 millim.; tail 260. 
Colombia and Ecuador. 
a, & (V. 120; C. 116). Nanegal, Ecuador, E. Whymper, Esq. 
8000 feet. [C.]. 
4. Urotheca elapoides. 
Pliocercus elapoides, Cope, Proc. Ac. Philad. 1860, p. 253; Salvin, 
Proce. Zool. Soc. 1861, p. 227; Cope, Proc. Ac. Philad. 1865, p.190 ; 
Peters, Mon. Berl. Ac. 1869, p. 876; F. Mill. Verh. nat. Ges. 
Basel, vi, 1878, p. 660. 
sr AE deppii, Peters, Mon. Berl. Ac. 1860, p. 294, pl. — 
ig. 2. 
Pleiocercus eequalis, Salvin, l. c.; Cope, Proc. Ac. Philad, 1865, 
p- 190; F. Mill. L. c. p. 662, pl. ii. fig. A. 
