404 



BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



Adult female. ^\jeugi\i (skins), 125-13,7 (129); wing, 62.5-69 (64.9); 

 tail, 53.5-63.5 (59.4); exposed ciilmen, 11-11.5 (11.3); tarsus, 17- 

 18.5 (17.9); middle toe, 9-10.5 (9.6).« 



Nicaragua (San Carlos), Costa Rica (Barranca; Guaitil; Grecia; 

 San Lucas; Bebedero; Volcan de Miravalles; Santo Domingo de San 

 Mateo; Pozo Azul de Pirris; Bonilla), and Panama (Boquete; Calo- 

 vevora; Volcan de Chiriqui; Chitra; near Panama City; Lion Hill 

 Station; Saboga Lsland ; San Miguel Island). 



Elainea placens (not of Sclater, 1859) Sclater and Salvin, Pruc. Zool. Soc. I>ond., 

 1864, 359 (Tanama; crit.).— Lawrence, Ann. Lye. N. Y., ix, 1868, 112 (Bar- 

 ranca, Guaitil, and Grecia, Costa Rica). — Frantzius, Journ. fiir Orn., 1869, 307 

 (Costa Rica).— Salvin, Proc. Zool. Soc. Lond., 1870, 197 (Calovevora, Chitra, 

 and Boquete de Chitra, Panama). — Underwood, Ibis, 1896, 438 (Volcan de 

 Miravalles, Costa Rica.) 



[Elainea] placens Sclater and Salvin, Norn. Av. Neotr., 1873, 48. part. 



Elainia placens Lawrence, Ann. Lye. N. Y., vii, 1862, 328 (Isthmus of Panama). 



Myiopagis placens Salvin and Godman, Biol. Centr.-Am., Aves, ii, 1888, 26, part 

 (Barranca, Guaitil, and Grecia, Costa Rica; Volcan de Chiriqui, Chitra, Bo- 

 quete, Calovevora, and Lion Hill Station, Panama). — Richmond, Proc. U. S. 

 Nat. Mus., xvi, 1893, 506 (San Carlos, Nicaragua). 



[Myiopagis] placens Sharpe, Hand-list, iii, 1901, 116, part. 



Myiopagis placens accola Bangs, Proc. New Engl. Zool. Club, iii, June 30, 1902, 35 

 (Boquete, Chiriqui, Panama; coll. E. A. and 0. Bangs). — Thayer and Bangs, 

 Bull. Mus. Comp. Zool., xlvi, 1905, 151 (San Miguel and Saboga islands. Bay 

 of Panama; crit.); xlvi, 1906, 217 (Sabana de Panama). 



MYIOPAGIS COTTA (Gosse). 

 COTTA FLYCATCHER. 



Adults (sexes alike). — Pileum deep sooty brown, with a large central 

 concealed patch of bright lemon or canary yellow ; hindneck somewhat 

 lighter brown, passing on back, scapulars, rump, upper tail-coverts, 

 and lesser wing-coverts into plain olive or brownish olive; tail deep 

 grayish brown (dark hair brown), the outer webs of rectrices edged 



a Seven specimens. 



Averages from different geographic areas are as follows: 



Locality. 



MALES. 



Five adult males from Costa Riea 



Four adult males from Panama ( Boquete) 



Three adnlt males from Saboga Island 



Three adult males from San Miguel Island 



FEMALE."5. 



Four adult females from Costa Riea 



One adult female Irom Panama (near Panama City) 



One adult female from Saboga Island 



One adult female from San Miguel Island 



61.1 

 59.9 

 64.1 

 63.5 



59.7 

 55 



62.5 

 59.5 



Middle 

 toe. 



9.5 

 9.2 

 9.8 

 9.8 



9.9 

 9 

 10 



