192 COLUBEID^. 



3-elIowish green beneath and on the upper lip ; a yellowish-white 

 line along each side of the belly and tail. 



Total length 1550 millim. ; tail 510. 



Tropical America. 



a. d (V. 205 ; C. 165). Yucatan. 



b. 2 (V. 217 ; C. ?). British Honduras. 



c. (J (V. 214; C. 151). Panama. Capt. J.C. Dow [P.]. 



d. 2 (V. 205 ; 0. 157). Para. 



e. 2 (V. 206; C. 156). Caballo Oocha, N.E. Mr. W. Davis [0,]; 



Peru. Messrs. VeitchrP.l, 



/. 2 (V. 209; C. 189). ? 



g. 2 ) skeleton. Para. 





Coluber acuminatus, Wied, Abbild. Nat. Bras, (1822), and Beitr. i. 



p. 322 (1825). 

 Dryinus seneus, Wagl. in Spix, Serp. Bras. p. 12, pi. iii. (1824). 



auratus, Bell, Zool. Journ. ii. 1825, p. 325, pi. xii. 



Dryiophis aurata, Schleg. Phys. Serp. ii. p. 265, pi. x. figs. 16-18 



(1837). 

 Oxybelis seneus, Dum. 8j- Bibr. vii. p. 819 (1854) ; Jan, Icon. G4n. 



33, pi. iv. fig. 2 (1869). 

 Dryophis vittatus, Qirard, U.S. Nav. Astron. Uxped., Bept. p. 211, 



pi. xxxvi. (1855). 

 Dryiophis acuminata, Gunth. Cat. pp. 156 & 252 (1858) ; Cope, Proc. 



Ac. PhUad. 1860, p. 555 ; Boettg. Ber. Sench. Ges. 1889, p. 314 ; 



Gunth. Biol. C.-Am., Bept. p. 177 (1895). 

 Oxybelis acuminatus, Steind. Novara, Bept. p. 72 (1867). 

 Dryiophis seneus, Garm. Proc. Am. Philos. Soc. xxiv. 1887, p. 284. 



Snout thrice to thrice and a half as long as the eye, prominent. 

 Eostral nearly as deep as broad or broader than deep, scarcely 

 visible from above ; internasals shorter than the prsefrontals ; 

 frontal once and two thirds to thrice as long as broad, not broader 

 than the supraocular, as long as or a little longer than the prse- 

 frontals, as long as or shorter than the parietals ; no loreal, prss- 

 frontal in contact with two or three labials ; one prseocular, in 

 contact with or separated from the frontal; two (rarely three) 

 postoculars ; temporals very large, 1 + 2 ; eight or nine (rarely 

 ten) upper labials, fourth and fifth, fourth, fifth, and sixth, or fifth, 

 sisth, and seventh entering the eye ; four (rarely five) lower labials 

 in contact with the anterior chin- shields, which are much shorter 

 than the posterior. Scales smooth or faintly keeled, in 17 rows *. 

 Ventrals 174-203; anal divided; subcaudals 150-188. Bronzy, 

 greyish, or reddish above, uniform or freckled with brown, usually 

 with scattered black dots, or with black edges to some of the scales ; 

 a black line on each side of the head, passing through the eye ; 

 upper lip and lower surface of head yellowish white ; yellowish, 

 pale brownish, or reddish beneath, speckled or streaked with brown, 



* Garmau mentions a specimen from Trinidad with 15 rows. 



