182 COLUBEIDiE. 



Ventrals 133-163 ; anal divided ; subcaudals 83-110. Bro-wn 

 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 inf'eriorly ; lower parts uniform 

 yellowish. 



Total length 580 millim. ; tail 200. 



Costa Eica, Colombia, Ecuador, Venezuela. 



a. $ (V. 162; 0. 83). Intac, Ecuador. Mr. Buckley [C.]. 



i-d. <J (V. 144, 133 ; 0. ?, Irazu, Costa F. D. Godman, Esq. [P.]. 

 110) & $ (V. 151 ; C. ?). Rica. (Types oi Ablates deeipiens.) 



3. Urotheca euryzona. 



Plioeercus euryzouus, 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, Oiinth. Biol. C.-Am., Rept. p. 197 (1893). 



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

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

 prsefrontals ; 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 prseocular, with a small sub- 

 ocular below it ; two postoculars ; temporals 1 -F 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. Yentrals 120-188 ; 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. 



u. S (V. 120; C. 116). Nanegal, Ecuador, E. Whymper, Esq. 



3000 feet. [0.]. 



/ 4. Urotlieca elapoides. '^^•- i'-'/ '"-^''^ 



Plioeercus elapoides. Cope, Proc. Ac. Philad. 1860, p. 263 ; Salvin, Y -' 



Proc. Zool. 8oc. 1861, p. 227 ; Cope, Proc. Ac. Philad. 1865, p. 190 ; 



Peters, Mon. Perl. Ac. 1869, p. 876 ; F. Milll. Verh. nat. Ges. 



Basel, vi. 1878, p. 660. 

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



fig. 2. 

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



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



