2i3 Mr. O. Salvin un the Birds of the 



f 11, PoLIOPTTLA BILINEATA. 



Polioptila bilineata, Bp. ; Salv. & Godm. Biol. Centr.-Am., 

 Aves^ i. p. 52. 



Cozumel I. 

 r Mr. Gaumer's collection contains two male specimens of 

 this Polioptila. They are whiter beneath than the majority 

 of our examples from other parts of Central America, but 

 not more so than we find in birds from "Western Ecuador. 

 The white lores are very conspicuous, and are extended so as 

 almost to form a white band across the base of the bill. 



♦^12. Mniotilta varia. 



Mniotilta varia (Linn.) ; Salv. & Godm. Biol. Centr.-Am., 

 Aves, i. p. 110; Ridgw. Proc. U.S. Nat. Mus. viii. p. 563. 



Holbox I. (December) ; Miigeres I. (December) ; Cozu- 

 mel I. (January, April) ; Ruatan I. 



This species reaches Colombia and Venezuela in its southern 

 migration, being very common through the winter months in 

 Mexico and Central America generally. It is also found in 

 Cuba and other islands of the Antilles, as well as in Northern 

 Yucatan. 



13. Protonotaria citrea. 



Protonotaria citrea (Bodd.) ; Salv. & Godm. Biol. Centr.- 

 Am., Aves, i, p. 111. 



Cozumel I. (January) ; Ruatan I. 



This species has occurred on the mainland of Northern 

 Yucatan, but not further to the westward. It is known from 

 Western Costa Rica, Panama, and the north coast of South 

 America and is found in Cuba. 



The Ruatan bird is an adult male, those from Cozumel 

 females. 



M.4. Helminthotherus vermivorus. 



Helminthotherus vermivurus (Gm.); Salv. & Godm. Biol. 

 Centr.-Am,, Aves, i. p. 112. 



Cozumel I.; Bonacca I. (September). 



A migratory species, well known and common in winter 

 in Southern Mexico and Central America, and also found 

 in Cuba and Jamaica, 



