114 



COLTJBEID^. 



with labials ; one praeoeular (rarely divided) in contat-t with or 

 narrowly separated from the frontal ; two (rarely three) post- 

 oculars ; temporals 1+2; eight or nine upper labials, fourth and 

 fifth or fifth and sixth entering the eye ; five or six (rarely seven) 

 lower labials in contact with the anterior chin-ehields, which are 

 shorter than the posterior. Scales in 15 rows, all except the 

 outer strongly keeled on the body, smooth on the neck and tail. 

 Veutrals strongly angulate laterally, 151-1 1)7; anal divided; sub- 

 caudals 140-173. Bronzy or golden above, head, neck, and usually 

 vertebral region bright green ; or bright green above and on the 

 sides ; the keels on the scales dark brown or black ; a black streak 

 on each side of the head, passing through the eye ; scales and head- 

 shields sometimes black-edged ; upper lip and lower parts white or 

 yellow. 



Total length 1720 millim. ; tail 590. 



South America east of the Andes. 



«. c? (V. 167; C. 173). Tobago. A. Ludlam, Esq. [P.I. 



b. $ (V. 159 ; 0. F). Tricidad. Rev. 0. King-sley I O.J. 



c-d. c? (V. 160; C. 144) Trinidad. F. W. Urich, Esq. 



&hgr.(V. 156; 0.123). [P.l 



e. c? (V. 164; 0. 161). Demerara. Capt. Friend [P.]. 



f-h. d (V. 161, 153 ; 0. Berbice. 



164, 147) & 2 (V. 166, 



161 ; 0. 153, 148). 



i. S (V. 156 ; 0. 163). Bahia. Mr. Ker [P.]. 



;b. $ (V. 151 ; 0. 150). Brazil. Lord Stuart [P]. 



I. ? (V. 160; 0. ?). Asimcion, Paraguay. Dr. J. BoMs [0.]. 



?n. SkuU. Oaracas. 



n. Skull. Cayenne. 



12. Leptophis ortonii. 



Leptophis ortonii, Cope, Journ. Ac. Philad. (2) viii. 1876, p. 177. 



Nearly allied to L. mgromarginatus, but scales smooth and 

 ventrals non-angulate. Blue above ; a coppery golden spot within 

 the apex of many of the scales, which extends on those of the 

 external two rows so as to cover the scale except at its base ; ven- 

 trals coppery golden, the front margin sea-green ; the blue scales 

 have a black tip, and often a narrow border ; head uniform green ; 

 labials yellow, with a narrow black line along the upper margin of 

 the posterior ones. 



Total length 965 millim. ; tail 390. 



Middle Amazon, Peru. 



13. Leptophis urostictus. 



AhsetuUa urosticta, Peters, Mon. Berl. Ac. 1873, p. 606. 

 No loreal ; nine upper labials. Scales in 13 rows, all except the 



