12 PROCEEDINGS OF THE NATIONAL MUSEUM vol. 67 



47. PSEUDOBOA PETOLA (Linnaeus) 



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

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

 Oxyrhopus petolarius Boulenger, Cat. Snakes Brit. Mas., vol. 3, 1896, p. 101. 

 Clelia peruviana Griffin, Mem. Carnegie Mus., vol. 7, 1915, p. 204, 

 Pseudoboa petola Amaral, Rev. Mus. Paulista, vol. 14, 1924, p. 13. 



Panama. — 2 specimens: Nos. 50111 and 65867. 

 Ecuador. — 3 specimens: No. 22445, collected by Mark B. Kerr. 

 Nos. 32036 and 32037, collected by Mr. Stuart. 



48. PSEUDOBOA TRIGEMINA (DumSril and Bibron) 



Oxyrhopus trigeminus Dumeril and Bibron, Erp. Gen., vol. 7, 1854, p. 



1013.— Boulenger, Cat. Snakes Brit. Mus., vol. 3, 1896, p. 104. 

 Pseudoboa trigemina Amaral, Rev. Mus. Paulista, vol. 14, 1924, p. 12. 



Paraguay. — 2 specimens: No. 12381 (1 and 2), collected by the 

 Paraguay Expedition. 



49. PSEUDOBOA UHOMBIFERA (Dumeril and Bibron) 



Oxyrhopus rhombifer Dumeril and Bibron, Erp. G6n., 1854, p. 1018. — 



Boulenger, Cat. Snakes Brit. Mus., vol. 3, 1896, p. 103. 

 Pseudoboa rhombifera Amaral, Rev. Mus. Paulista, vol. 14, 1924, p. 12. 



Uruguay. — 1 specimen: No. 65610 sent from Cerro Largo, by 

 Dr. Florentino Felippone. 



50. PSEUDOBOA MACULATA (Boulenger) 



Oxyrhopus maculatus Boulenger, Cat. Snakes Brit. Mus., vol. 3, 1896, p. 110. 



Argentina.— 1 specimen, No. 11388: sc. 19-21-19-17; v. 245; 

 a. 1; c. 52 pairs; anterior chin-shields a little longer than posterior; 

 total length 1,850 mm. ; tail 230 mm. Female sent from Mendoza by 

 Dr. Day. 



This specimen has a very high number of ventrals and is the largest 

 ever recorded in collections. 



51. PSEUDOBOA RUSTICA (Cope) 



Oxyrhopus rusticus Cope, Proc. Amer. Philos. Soc, vol. 17, 1877, p. 92. — 



Boulenger, Cat. Snakes Brit. Mus., vol. 3, 1896, p. 111. 

 Pseudoboa rustica Amaral, Rev. Mus. Paulista, vol. 14, 1924, p. 12. 



Argentina. — 1 specimen, No. 64129, sent from Tafi Viejo, Tucu- 

 man, by Dr. Alexander Wetmore. 



52. PSEUDOBOA FITZINGERI (Tschudi) 



Siphlophis fitzingeri Tschudi, Fauna Peruv., Herpet., 1846, p. 56, pi. 8. 

 Oxyrhopus fitzingeri Jan, Elenco Sist., 1863, p. 93. — Boulenger, Cat. Snakes 

 Brit. Mus., vol. 3, 1896, p. 108. 



Peru. — 2 specimens. No. 48552 sent from Piura by C. H. T . 

 Townsend; male, sc. 19; v. 203, c. 73 pairs. 



