PROCEEDINGS OF THE NATIONAL MUSEUM 



VOL. 67 



16. CfflRONIUS CARINATUS (Linnaeus) 



Coluber carinatus Linnaeus, Syst. Nat., ed. 10, vol. 1, 1758, p. 223. 

 Chironius carinatus Fitzinger, Neue Classif. Rept., 1826, pp. 29, 31, and 60, 

 Erpetodryas carinatus Boib, Isis, 1827, p. 548. 

 Herpetodryas carinatus Boulenqer, Cat. Snakes Brit. Mus., vol. 2, 1894, 



p. 73. 

 Chironius carinatus Ruthven, Misc. Publ., Univ. Michigan Mus. Zool., 



vol. 8, 1922, p. 65. 



Dutch Guiana. — -2 specimens, Nos. 11313 and 12547, collected by 

 C. J. Hering. 



Brazil. — 2 specimens, No. 28947, collected by Mr. Steere, and 

 No. 40217, collected in Santa Catharina, by Mr. Ehrhardt., 



Paraguay. — 1 specimen. No. 12402, collected by the Paraguay 

 Expedition. 



17. CHIRONIUS VICINUS (Boulenger) 



Herpetodryas vicinus Boulenger, Proc. Zool. Soc. London, 1915, p. 660. 

 (Type from Anda Goya, So. Colombia) . 



Ecuador. — 4 specimens, as follows : 



The dorsal scales are all smooth in Nos. 20619 and 32044 (young 

 specimens), the vertebral pair is faintly keeled in No. 20621 and in 

 No. 20620 (old specimen) all scales are faintly keeled but the outer 

 row which is smooth and the vertebral pair which is strongly keeled. 



The ventrals are feebly angulate laterally in all specimens. Color- 

 ation as in the type, but in No. 20619 there are no spots or streaks 

 along the vertebral line, and no dark streak under the tail. Nos. 

 20620 and 20621 show a tendency to be unicolor, reddish or dark 

 brown, only slightly blotched on the sides, with traces of a dark 

 streak behind the eye, dark yellow beneath anteriorly with irregular 

 blackish blotches on tlie sides, posteriorly dark brown. 



18. LEPTOPHIS AHAETULLA (Linnaeus) 



Coluber ahaetulla Linnaeus, Syst. Nat., ed. 10, vol. 1, 1758, p. 225. 



Leptophis liocercus Jan, Icon. Ophid., pt. 49, 1879, pi. 6, fig. 1. — Bou- 

 lenger, Cat. Snakes Brit. Mus., vol. 2, 1894, p. 113. 



Leptophis ahaetulla Loennberg, Bih. Svenska Vet. Akad. Handl., vol. 22, 

 1896, sec. 4, no. 1, p. 6. — Andersson, Bih. Svenska Vet. -Akad. Handl., 

 vol. 24, 1899, sec. 4, no. 6, p. 22. 



Dutch Guiana. — 2 specimens. No. 6116, collected by C. J. Hering. 



