71. LEPTOPHI8. Ill 



e. $ (V. 180; C.P). Santo Domingo de Dr. A. C. BuUer[C.]. 



(in/man. 



/. Head and neck. La Laguna, Sierra de Dr. A. C. Buller [C.]. 



Alica. 



g-i. rf (V. 171, 167; C. Amula, Guerrero. Mr. H.H. Smith [C.]; 



141, 144) & $> (V.166; F. D. Godman, Esq. 



C. ll [P.]. 



*-/. rf (V. 178; C.?) & Presidio, near Mazat- Mr. A. Forrer [C.]. 



$ (V. 178; C. 149). Ian. 



m-n. 3 (V. 185 ; C. 160) Tres Marias Ids. Mr. A. Forrer [C.]. 



&hgr.(V.186;C.160). 



8. Leptophis bilineatns. 



Diplotrppis bilineata, Giinth. Ann. $ Mag. N. H. (4) ix. 1872, p. 24, 



pi. vi. tier. B. 

 Leptophis bilineatus, Cope, Proc. Amer. Philos. Soc. xxiii. p. 279; 



Giinth. Biol C.-Am., Rept. p. 130 (1894). 



Rostral broader tban deep, just visible from above ; internasals 

 as long as the pnefrontals ; frontal once and a half as long as 

 broad, as long as its distance from the end of the snout, as long as 

 the parietals ; nasal moderately elongate, divided ; loreal present, 

 twice as long as deep ; one pneocular, not quite reaching the frontal ; 

 two postoculars ; temporals 1+2; eight or nine upper labials, 

 fourth and fifth (or fifth and sixth) entering the eye ; five lower 

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

 than the posterior. Scales in 15 rows, those of the series on each 

 side of the vertebral with a strong keel. Ventrals feebly angulate 

 laterally, 144: anal divided. Bright green above, light greenish 

 beneath ; two black lines following the dorsal keels ; a very indis- 

 tinct dark streak on each side of the head, passing through the 

 eye. 



Total length 910 millim. 



Costa Rica, Nicaragua, Tehuantepec. 



a. <$ (V. 144 ; C. ?). Costa Rica. 0. Salvin, Esq. [P.]. 



(Type.) 



9. Leptophis occidentals. (PLATE III. fig. 2.) 



Dendrophis liocercus, part., Schleg. Phye. Serp. ii. p. 224 (1837) ; 



Guichen. m Gay, Hist, de Chile, Zoo/, ii. p. 88 (18o4). 



liocercus, Berthold, Abh. Ges. Getting, iii. 1847, p. 11. 



Leptopbis liocercus, part., Dum. Sf liibr. vii. p. 533 (1854). 



Ahiutulla liocercus, part., Giinth. Cat. p. 153 (1858). 



occidental, (junth. Proc. Zool. Soc. 1859, p. 412; Peters, Mm. 



Berl. Ac. 1873, p. 607. 

 Thrasops occidentals, Cope, Proc. Ac. Philad. 1800, p. 557. 



prsestans, Cope, Proc. Ac. Philad. 1868, p. 309. 



Leptophis prestans, Cope, Juurn. Ac. Philad. (2) viii. 1876, p. 133 ; 



Giinth. Biol. C.-Am., Rept. p. l.'JO (1894). 

 Thraaopa (Ahaetulla) sargii, IVscher, Arch. f. Nat. 1881, p. 229, 



pi. xi. figs. 7-9. 



Leptophis sargiii Cope, Proc. Amer. Philot. Soc. xxiii. 1886, p. 279. 

 - occideutalis, CW, Proc. Amer. Philot. Soc. xxiii. 1886, 



p. 27'.'. 



