l8 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. I46 



Lehmann v., F. Carlos 



1940. Contribucion al estudio y conocimiento de las aves rapaces de 



Colombia. Rev. Acad. Colombiana Cienc. Exact. Fis. Nat., vol. 3, 



no. 12, May-August, pp. 455-461, 2 pis. 

 1944. Distribucion de Cathartes urubitinga en Colombia. Rev. Univ. del 



Cauca, no. 3, March-April, pp. 187-190, 1 pi. 

 1957. Contribuciones al estudio de la fauna Colombiana XII. Mus. Hist. 



Nat. Univ. Cauca Nov. Colombianas, no. 3, Dec. 1, pp. 101-156. 

 Sharpe, R. Bowdler 



1874. Catalogue of the birds in the British Museum. Vol. 1, pp. I-XIV, 



1-480, 14 pis. (col.) 



SVVANN, H. KXRKE 



1921. A synopsis of the Accipitres (diurnal birds of prey), Part I, Vultw 

 to Accipiter, Sept. 28, pp. 1-63. 

 VAN Rossem, a. J. 



1946. Notes on distribution and color of the Mexican turkey vulture. Con- 

 dor, vol. 48, no. 4, July 31, pp. 180-181. 

 Wetmore, Alexander 



1926. Observations on the birds of Argentina, Paraguay, Uruguay, and 

 Chile. U.S. Nat. Mus. Bull. 133, Feb. 1, pp. I-IV, 1-448, 20 pis. 



1950. The identity of the American vulture described as Cathartes burro- 

 viamis by Cassin. Journ. Washington Acad. Sci., vol. 40, no. 12, 

 Dec. 15, pp. 415-417. 



