TYPE SPECIMENS OF BIRDS 257 



Formicariiis nioniliger panamensis Ridgway 



Proc. Biol. Soc. Washington 21: 195, October 20, 1908. 



=F ormicarius analis panamensis Ridgway. See Peters, Checklist of birds 



of the world 7: 241, 1951. 

 53779. Adult male. "Panama (Lion Hill Station ?)"=:Panama Canal 



Zone. Entered into the museum register on December 16, 1868. 



Collected by James McLeannan. 

 Formicarius nigricapillus "Cherrie" Ridgway 



Proc. U.S. Nat. Mus. 16: 670 (in key), 675, November 28, 1893. 

 =Formicarius nigricapillus nigricapillus Ridgway. See Peters, Checklist 



of birds of the world 7 : 242, 1951. 

 128852. Adult female. Buena Vista, Province of Alajuela, Costa Rica. 



August 16, 1892. Collected by — Castro and — Fernandez. Received 



from the Museo Nacional de Costa Rica, where it was No. 8284. 



Genus CHAMAEZA Vigors 



Ch[aniaeza]. olivacca von Tschudi 



Archiv fur Naturgeschichte 10 (1) : 279, 1844. 

 =Ckamaeza campanisona olivacea von Tschudi. See Peters, Checklist of 



birds of the world 7 : 243, 1951. 

 41916. Adult (sex not indicated) . Peru=Montana de Vitoc, Department 

 of Junin (see Hellmayr, Catalogue of birds of the Americas 3:293, 

 1924). Collected by Johann J. von Tschudi. Received from the 

 Neuchatel Museum. 

 This bird is possibly only a cotype, but it may be noted that Hellmayr 

 has not claimed to have examined any one of von Tschudi's original speci- 

 mens at Neuchatel. 



Chamaeza fulvescens Salvin and Godman 

 Ibis (4) 6: 79, January 1882. 

 =Chamaeza companisona fulvescens Salvin and Godman. See Peters, 



Checklist of birds of the world 7: 244, 1951. 

 90594. Adult female. Merume Mountains, British Guiana. June 13, 

 1881. Collected by Henry Wliitely, Jr. Received from Osbert Salvin 

 and Frederick DuC. Godman, of whose private collection it once formed 

 part. 

 This form was based upon six examples, males and females, from the 

 Merume Mountains. Three, and possibly four, of the cotypes are said to 

 be in the collection of the British Museum (Catalogue of the birds in the 

 British Museum 15: 308, 1890). 



Genus GYMNOPITHYS Bonaparte 



Pitliys bicolor olivascens Ridgway 



Proc. U.S. Nat. Mus. 14: 469, October 26, 1891. 

 =Gymnopithys leucaspis olivascens (Ridgway). See Peters, Checklist of 

 birds of the world 7: 247, 1951. 



