154 



ORNITHOLOGY. 



2. Tyrannula albiceps {Lafr. €t U Orh.). 

 Muscipeta albiceps, Lafr. et D'Orb. Mag. de Zool. 1837, p. 47. 

 Specimens in the collection are from Tierra del Fuego. 



3. Tyrannula chrysoceps (jSpix). 



Plati/rhynclms chrysocrpx, Spix, Av. Bras. II, p. 10 (1825). 

 Tijrannula ferruginea, SwAlNS. B. of Braz. p. 3 (1841). 



Spix. Av. Bras. XI, fig. 2 ; Sw. B. of Braz. Plate LIII. 



Specimens in the collection are labelled as having been obtained in 

 Peru, and present the usual characters only of this well-marked spe- 

 cies. 



7. Genus FLUVICOLA, Swains. Cab. Cy. II, p. 256 (1837). 



1. FlUVICOLA CYANIROSTRIS [VielU.). 

 Muscicapa c>/anirostris, ViElLL. Nour. Diet. XXI, p. 447. 



Gray, Gen. of Birds, I, Plate LXI. 

 From Tierra del Fuego. 



8. Genus PYROCEPHALUS, Gould, Zool. Voy. Beagle, Birds, p. 44 (1841). 

 1. Pyrocephalus obscurus, Gould. 



Pyroceplialus obscurus, Gould, Zool. Voy. Beagle, Birds, p. 45 (1841). 



Specimens in the collection of the Expedition are undoubtedly of 

 the species described by Mr. Gould as above, though like his speci- 

 mens, they are apparently in immature plumage. The species is, 

 however, certainly different from either P. ruhineus or P. iMrvirostris, 



