Vol. 30, pp. 3-6 January 22, 1917 



PROCEEDINGS 



OF THE 



BIOLOGICAL SOCIETY OF WASHINGTON 



PRELIMINARY DIAGNOSES OF APPARENTLY NEW 

 BIRDS FROM COLOMBIA AND BOLIVIA. 



BY W. E. CLYDE TODD. 



The present paper is the fifth of the series to appear in these 

 Proceedings giving brief preliminary descriptions of the appar- 

 ently new birds received from time to time by the Carnegie 

 Museum from tropical America. The author has again to 

 acknowledge his indebtedness to Mr. Harry C. Oberholser for 

 advice and assistance in working out certain of these forms, and 

 to thank the authorities of several different institutions for the 

 loan of material for use in this connection. All measurements 

 are in millimeters, and the names of colors are as given in Mr. 

 Robert Ridgway's " Color Standards and Color Nomenclature." 



Phoenicothraupis rubiginosus sp. nov. 



Adult male very similar to the same sex of Phoenicothraupis salvini 

 salvini von Berlepsch, but slightly darker in general coloration. Adult 

 female resembling that of Phoenicothraupis fuscicauda Cabanis, but every- 

 where much brighter and yellower, less brownish. 



Type No. 52,057, Collection Carnegie Museum, adult male; Turbaco, 

 Bolivar, Colombia, January 9, 1916; M. A. Carriker, Jr. 



Ostinops decumanus melanterus subsp. nov. 



Similar to Ostinops decumanus decumanus (Pallas) of Guiana, etc., 

 but general coloration decidedly darker and blacker, with little or no 

 chestnut tipping to the feathers of the upper and under parts. 



Type No. 42,045, Collection Carnegie Museum, adult male; Las Vegas, 

 Santa Marta, Colombia, May 2S, 1913; M. A. Carriker, Jr. 



Ostinops sincipitalis australis subsp. nov. 



Similar to Ostinops sincipitalis sincipitalis Cabanis, but upper parts 

 duller brown, yellow of forehead paler and more restricted, under parts 



2— Proc. Biol. Soc. Wash., Vol. 30, 1917. (3) 



