BIRDS OF NORTH AN»D MIDDLE AMERICA, 



57 



(106); wing, 54.5-62.5 (59.2); tail, 36-40.5 (38.6); ciilmen, 14.5-15.5 

 (14.9); tarsus, 18.5-20 (19.3); middle toe, 10.5-11.5 (11.1).« 



Guatemala (Choctum; Cliisec; sources of Kio de la Pasion), Costa 

 Rica (Dota; Naranjo de Cartago; Grecia; Guaitil; Juan Viiias; Las 

 Mesas; El General; Buena Vista; Rio Platanar; Guayabo; Cariblanco 

 de Sarapiqui; Navarro; Rio Huacum; Laguaria; Santa Maria de 

 Dota), and Panama (Panama ; Calovevora, Chitra, Calobre; and 

 Santa Fede Veragua; Boquete; Volcan de Chiriqui, and along Pacific 

 coast to western Ecuador (Chimbo) ? (See Berlepsch and Taczan- 

 owski, Proc. Zool. Soc. Lond., 1883, 564.) 



Dysilhamnus semicinereus (not of Sclater, 1855) Sclater, Proc. Zool. Soc. Lond., 

 1858, 222, part (monogr.); Cat. Birds Brit. Mus., xv, 1890, 221, part (Chisec, 

 sources of Rio de la Pasion, and Choctum, Guatemala; Costa Rica; Santa Fe 

 de Verdgua, Calovevora, and Panamd, Panama). — Salvin and Sclater, Ibis, 

 1860, 399 (Choctum, Guatemala; crit.).— Salvin, Proc. Zool. Soc. Lond., 1867, 

 144 (Santa Fe de Verdgua); Proc. Zool. Soc. Lond., 1870, 194 (Calovevora, 

 Chitra, Calobre, and Volcan de Chiriqui, Panama). — Lawrence, Ann. Lye. 

 N. Y., ix, 1868, 107 (Turrialba, Dota, Grecia, and Guaitil, Costa Rica).— 

 Frantzius, Journ. fiir Orn., 1869, 305 (Costa Rica). — Boucard, Proc. Zool. 

 Soc. Lond., 1878, 60 (Naranjo de Cartago, Costa Rica); Liste Ois. recol. 

 Guat., 1878, 38.— Zeledon, Anal. Mus. Nac. Costa Rica, i, 1887, 114 (Cartago, 

 Turrialba, and Dota, Costa Rica). — Bangs, Proc. New Engl. Zool. Club, iii, 

 1902, 41 (Boquete, Panama, 4000-5000 ft.)— Salvin and Godman, Biol. 

 Centr.-Am., Aves, ii, 1892, 206, part (excl. South American references and 

 localities). 



[Dysithamnus] semicinereus Sclater and Salvin, Nom. Av. Neotr., 1873, 70, 

 part. — Sharpe, Hand-list, iii, 1901, 18, part. 



Disithamnus semicinereus Cherrie, Expl. Zool. I\Ierid. Costa Rica, 1893, 41 (Rio 

 Huacum, s. w. Costa Rica). 



a Fifteen specimens. 



