1 v - COLCimiDJB. 



Ventrals 133-163; 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 stnak 

 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 Itica, Colombia, Ecuador, Venezuela. 



a. $ (V. 162; C. 83). Intac, Ecuador. Mr. Buckley [C.]. 



b-d. <$ (V. 144, 183 ; C. ?, Irazu, Costa F. D. Godtnan, Eeq. [P.l 

 1 10) & $ (V. 161 ; C. ?). Rica. (Types of Ablates 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. Gen. 18, pi. v. fig. 1 (1866). 

 Elapochrus euryzona, Gunth. Biol. C.-Am., Rept. p. 197 (1893). 



Eye moderate ; snout short and broad. Rostral twice as broad 

 as deep, just visible from above; iuternasals half as long as the 

 prafrontals ; 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 praeocular, 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. 



. cJ (V. 120; C. 116X Nanegal, Ecuador, E. Whymper, Esq. 



3000 feet. [C.]. 



4. Urotheca elapoides. 



Pliocercus elapoides, Cope, Proc. Ac. Philad. 1860, p. 253; Salvin, 



Proc. Zool. Soc. 1861, p. 227 ; Cope, Proc. Ac. Philad. 1865, p. 190 ; 



Peters, Mon. Serl. Ac. 1869, p. 876 ; F. Mull. Verh. nat. Ges. 



Eatel, vi. 1878, p. 660. 

 Elapochrous deppii, Peters, Mon. Berl. Ac. 1860, p. 294, pi. 



fig. 2. 

 Pleiocercus eequalis, Salvin, I. c. ; Cope, Proc. Ac. Philad. 1865, 



p. 190; F. Mull. I. c. p. 662, pi. ii. fig. A. 



