BAEBOUii: VEKTEBRATA FROM THE SA.VANNA OF PANAMA. 227 



17. Himantodes cenchoa (Linnk). 



Distribution. — Mexico, Central and tropical South America. 

 A single typical example from San Miguel Lsltuid. 



18. Leptodira personata Cope. 



Distribution. — Lower Mexico and Central America. 



A single specimen from San Miguel Island has its scales in twenty-three 

 rows. 



19. Oxjrrhopus cloelia (Daudin). 



Distribution. — Continental tropical America and the Lesser Antilles. 

 Two specimens from Panama. 



20. Oxybelis acuminatus (Wied). 



Distribution. — Continent of tropical America. 



This species is represented by two specimens from Panama, nine from San 

 Miguel Island, and ten from Saboga Island. The locality tags were lost from 

 several other specimens. 



21. Homalocranium fuscum (Bocourt). 



Distribution. — Central America. 

 A single specimen from Panama. 



22. Hydrus platurus (Linne). 



Distribution. — Indian and tropical Pacific Oceans. 



It is interesting to find in this series, from a limited region, varieties C, D, 

 and E which Boulenger describes on page 268 of the catalogue of snakes in 

 the British Museum, vol. 3. 



Mr. Brown took fourteen specimens at San Miguel Island and twelve at 

 Saboga Island. 



23. Elaps fitzingeri Jax. 



E. fvlvius D. Boulenger Cat. Snakes, Brit. Mus., 1896, vol. 3, p. 425. 



Distribution. — Mexico and Central America. 

 Three specimens from San Miguel Island. 



24. Elaps ftllvius (Linne). 



Distribution. — Southeastern North America, Mexico, and Central America. 

 A single specimen from Panama. 



COECILIIDAE. 

 25. Coecilia ochrocephala Cope. 



Distribution. — Panama. 

 A single specimen from the type locality. 

 VOL. XLvi. — No. 12 15 



