140 



BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



The following references 1 am unable to properly place, not having 

 seen specimens from the localities cited: 



IVireosylvia] calidris Sclater and Balvin, Nom. Av. Neotr., 187o, 11, part 



(Panama; Venezuela). 

 Vireosyhia caUdrii Sclater and Salvin, Proe. Zool. Soc. Lond., 1875, 234 



(Venezuela). 

 Fireo calidris Salvin and Godman, Biol. Centr.-Am., Aves, i, 1881, 18(5, part 



(Lion Hill .Station, Panama Railroad; Venezuela; Guiana). 

 [Vireo calidris] (i. V. harhatuJn Gadow, Cat. Birds Brit. Mus., viii, 1883, 294, 



part (Central America; Guatemala; Trinidad; Guiana; Chamicuros, e. Peru). 

 Vireosyhia aUiloqua Sclater and Salvin, Proc. Zool. Soc. Lond., 1864, 348 



( Isthmus of Panama ) . 

 Vireosyhia frenataVivBvs, Bull. Ac. Roy. Belg.,xxii, 1855, 150 (Ocana, Colombia; 



see Sclater, Proc. Zool. Soc. Lond., 1859, 138). 

 Vireo calidris harhahda Allen, Bull. Am. Mus. N. H., xiii, 1900, 173 (Bonda, 



Santa Marta, Coloml)ia, Aug., Sept.). 



VIREOSYLVA CALIDRIS BARBADENSIS Ridgway. 

 BARBADOS VIREO. 



Similar to T" c. calidris, but sides of head, including superciliary 

 stripe, light gray instead of brownish buff, and pileum brownish gray, 

 margined laterally with a distinct l)lack or dusky line. 



Adult w////6^.— Length (skins), 136-168 (150.9); wing, 73-81 (80.1); 

 tail, 19-60 (57.9); exposed culmen, 15.5-17 (16.2); depth of bill at 

 nostrils, 4.5-6 (5.2); tarsus, 18.5-20.5 (19.1); middle toe, 11-13 (12.1).« 



Adult fetnale.—Ijength. (skins), 110-150 (144.1); wing, 73-81 (76.7); 

 tail, 48-58.5 (53.9); exposed culmen, 15-18 (16); depth of bill at nos- 

 trils, 5; tarsus, 19-20.5 (19.7); middle toe, 11-13 (12).* 



« Eleven specimens. 



^ Ten specimens. 



Specimens from different islands average, respectively, as follows: 



Specimens from different islands differ somewhat in both coloration and measure- 

 ments, but without a larger series I wcaild not attempt further subdivision. The 



