298 U.S. NATIONAL MUSEUM BULLETIN 221 



Genus TYRANNISCUS Cabanis and Heine 



E[laema]. viridiflava von Tschudi 



Archiv fiir Naturgeschichte 10 (1) : 274, 1844. 

 =Tyranniscus viridiflavus (von Tschudi). See Zimmer, Amer. Mus. 



Nov. 1109: 22, 1941. 

 41921. Adult (sex not indicated). Peru. Collected by Johann J. von 



Tschudi. Received from the Neuchatel Museum. 

 Hellmayr (Catalogue of birds of the Americas 5:474, 1927) states that 

 a cotype of this form was seen by him at the Neuchatel Museum. 



Genus OREOTRICCUS Richmond 



Pogonotriccus plumbeiceps Lawrence 



Ann. Lye. Nat. Hist. New York 9(8): 267, December 1869. 

 =Oreotriccus plumbeiceps (Lawrence). See Zimmer, Amer. Mus. Nov. 



1126: 1, 1941. 

 47105. Adult (sex not indicated). "Bogota," Colombia. Entered into 



the museum register on June 1, 1867. Received from Allen A. Burton. 



Genus LEPTOPOGON Cabanis 



L[eplopogon], superciliaris von Tschudi 



Archiv fiir Naturgeschichte 10 (1) : 275, 1844. 



=Leptopogon superciliaris superciliaris von Tschudi. See Zimmer, Amer. 

 Mus. Nov. 1126:4,1941. 



41917. Adult (sex not indicated). Peru^Montaiia de Vitoc, Department 

 of Junin (see Hellmayr, Catalogue of birds of the Americas 5:485, 

 1927). Collected by Johann J. von Tschudi. Received from the 

 Neuchatel Museum. 



According to Zimmer {loc. cit.) , at least one cotype of this form is in the 

 collection of the Berlin Museum. 

 Leptopogon amaurocephalus idius Wetmore 

 Smithsonian Misc. Coll. 134 (9) : 71, July 8, 1957. 



460975. Adult male. Coiba Island, Pacific Ocean off the Province of 

 Veraguas, Panama. February 3, 1956. Collected by Alexander Wet- 

 more. Original number 20587. 

 Leptopogon amaurocephalus icastus Oberholser 

 Proc. Biol. Soc. Washington 14: 187, Dec. 12, 1901. 



=Leptopogon amaurocephalus amaurochephalus von Tschudi. See Hell- 

 mayr, Catalogue of birds of the Americas 5: 487, 488, 1927. 



173405. Adult male. Sapucay (on the railway between Asuncion and 

 Villarica), Paraguay. July 23, 1900. Collected by William T. Foster. 

 Original number 177. 



