2 PROCEEDINGS OF THE NATIONAL MUSEUM vol. 67 



3. HEUCOPS ANGULATA (Linnaens) 



Coluber angulatus Linnaeus, Syst. Nat., ed. 10, vol. 1, 1758, p. 217. 

 Helicops angulatus Dum6ril and Bibron, Erp. G6n., vol. 7, 1854, p. 746. — 

 BouLENGEH, Cat. Snakes Brit. Mus., vol. 1, 1893, p. 278. 



Dutch Guiana. — 5 specimens: Nos. 11126 collected by Dr. Wyman 

 and Nos. 11148, 11159, 12552, and 12553 collected by C. J. Hering. 



Brazil. — 1 specimen. No. 28946, collected in the Lower Amazon by 

 Mr. Steere. 



4. HEUCOPS POLYLEPIS Guenther 



Helicops polylepis Guenther, Ann. Mag. Nat. Hist., ser. 3, vol. 7, 1861, p. 

 426.— BouLENGER, Cat. Snakes Brit. Mus., vol. 1, 1893, p. 280. 



Colombia, — 1 specimen, No. 11274, collected at Madina (?) River 

 by Dr. Ruth. 



5. TETRANOKmNUS NIGROLUTEUS Cope 



Tetranorhinus nigroluteus Cope, Proc. Acad. Nat. Sci., Philadelphia, 1861, 

 p. 298.— BouLENGER, Cat. Snakes Brit. Mus., vol. 1, 1893, p. 282. 



Panama. — 1 specimen. No. 65874. 



6. TETRANORHINUS MOCQUARDI Bocourt 



Tetranorhinus mocquardi Bocourt, Le Naturaliste, 1891, p. 122. 

 Panama. — 1 specimen. No. 54203. 



7. NINIA ' ATRATA (Hallowell) 



Coluber atratus Hallowell, Proc. Acad. Nat. Sci. Philadelphia, 1845, p. 245. 

 Ninia atrata Cope, Proc. Acad. Nat. Sci., Philadelphia, 1860, p. 340. 

 Streptophorus atratus Boulenger, Cat. Snakes Brit. Mus., vol. 1, 1893, p. 

 293. 



Panama. — 1 specimen, No. 64987. 



8. DRYMOBIUS BIFOSSATUS (Raddi) 



Coluber bifossatus Raddi, Mem. Soc. Ital. Modena, vol. 18, 1820, p. 333. 

 Drymobius bifossatus Boulenger, Ann. Mag. Nat. Hist., ser. 6, vol. 12, 

 1894, p. 346; Cat. Snakes Brit. Mus., vol. 2, 1894, p. 10. 



Paraguay. — 1 specimen. No. 12401, collected by the Paraguay 

 Expedition. 



9. DRYMOBIUS BODDAERTU (Sentzen) 



Coluber boddaertii Sentzen, Meyer's Zool. Arch., vol. 2, 1796, p. 59. 

 Drymobius boddaertii Cope, Proc. Acad. Nat. Sci., Philadelphia, 1860, p. 

 561. — Boulenger, Cat. Snakes Brit. Mus., vol. 2, 1894, p. 11. 



Ecuador. — 7 specimens: No. 14028, collected by W. J. Jones; No. 

 32040, collected by Mr. Stuart; and Nos. 62803-7, collected by 

 F. W. Goding. 



Venezuela. — 2 specimens. No. 16831 collected in Caracas, by R. M. 

 Bartheman, and No. 55335, collected by Mr. Musee. 



» The generic name Ninia Baird and Qirard takes precedence, as it was published earlier (January) in 

 the same year (1853) as Streptophorus Dumfiril and Bibron. 



