BIEDS or NORTH AND MIDDLE AMERICA. 



645 



Adult male. — Length (skins), 146-169 (161); wing, 73.5-84 (<S0.6) ; 

 tail, 71.5-77.5 (74.3); exposed culmen, 16.5-19 (17.9); tarsus, 17.5-21 

 (19.5); middle toe, 10-12 (10.8)." 



Adult female. — Length (skins), 138-184 (157); wmg, 73-81.5 (77.2); 

 tail, 64.5-74 (70.4); exposed culmen, 16.5-19 (17.6); tarsus, 18-20.5 

 (19.1); middle toe, 10-12 (10.6).'' 



Honduras (Ceiba ; Yaruca ; Truxillo ; San Pedro Sula ; Tigre Island) , 

 Nicaragua (Sucuya; Ometepe; Greytown; Ble\\iields; Rio Escondido), 

 and northern and central Costa Rica (Guayabal; Barranca; Bebedero; 

 Pozo Azul; San Jose; Naranjo de San Jose; Cartago; Jimenez; Angos- 

 tura; Grecia; Sarchi; Pacuare; Irazii; Tucurriqui ?) . 



Myiarchus lav/rencei (not Muscicapd Inwrenceii Giraud) Cabanis, .Tourn. fiir Orn., 

 1861, 249 (Costa Rica). 



Myiarchus laicrencei (BovcAnv, Proc. Zool. Soc. Tjond., 1878, G4 (San Jos6, Cartago, 

 and Naranjo, Costa Rica). 



(?) Myiarchus lawrencii Taylor, Ibis, 1860, 114 (Tigre Island, Honduras). 



Myiarchus lawrencii Lawrence, Ann. Lye. N. Y., viii, 1865, 182 (Greytown 

 Nicaragua); ix, 1868, 115, 204 (Angostura, Sarchi, and Pacuare, Costa Rica). — 

 Frantzius, Journ. fur Orn., 1869, 308 (Costa Rica). — Coues, Proc. Ac. Nat. 

 Sci. Phila., 1872, 74, part (Grecia, Barranca, and Angostura, Costa Rica). — 

 (?) ScLATER, Cat. Birds Brit. Mus., xiv, 1888, 256, part (San Pedro, Hon- 

 duras). — (?) Salvin, Ibis, 1889, 362, part (Ruatan I., Honduras). — Salvix 

 and GoDMAN, Biol. Centr.-Am., Aves, ii, 1889, 9^, -part (Blewfields, Grey- 

 town, Sucuyfi, and Ometepe, Nicaragua; Angostura, Sarchi, Grecia, Bar- 

 ranca, Pacuare, San Jose, Irazii, and Tucurriqui, Costa Rica. 



[Myiarchus'] lawrencii Sclater and Salvin, Nom. Av. Neotr., 1873, 52, part. 



Myiarchus lawrencii laurencii Bangs, BulL Mus. Comp. ZooL, xxxix, no. 6, July, 

 1903, 148 (Ceiba and Yaruca, Honduras). 



M[yiarchus] nigricapillus Cabanis, Journ. fiir Orn.. ix, Jidy, 1861, 250, in text 

 (Costa Rica; coll. Berlin Mus.). 



Myiarchus nigricapillus Sclater, Cat. Am. Birds, 1862, 233 ("Bobillo,"c Costa 

 Rica); Cat. Birds Brit. Mus., xiv, 1888, 257, part (San Jos6, Tucumqui, 



" Eighteen specimens. 

 b Eighteen specimens. 



The Hondiu'as specimens are iiol typical, having the pihnim h>ss bhicki.<!h than the 

 majority of those from Costa Rica and Nicaragua: hut they arc nearer to this form than 

 to true 3£. lawrenceii. 



cBobillo is not the name of a place but a vernacular name for the bird. 



