BIRDS OF NORTH AND MIDDLE AMERICA. 



359 



Adult fern ale. —Length (skins), 82-100 (89.5); wing, 42.5-51 (45.5); 

 tail, 29-39 (33); exposed culmen, 10-11.5 (10.8); tarsus, 13.5-15.5 

 (14.5); middle toe, 6.5-7.5 (6.9). « 



Southern Mexico, in States of Vera Cruz (Cordova; Potrero; Santa 

 Lucrecia; Playa Vicente), Oaxaca (Teotalcingo ; Ta])ana; Giiichi- 

 covi; Santa Efigenia), Tabasco (Frontera), Yucatan (Tizimin), and 

 Chiapas (Palenque; Tuxtla Gutierrez; Huehuetan) through Guate- 

 mala (Choctum; Coban; Retalhuleu; Volcan de Agua); British Hon- 

 duras (Cayo), Honduras (San Pedro Sula; Truxillo; Rio Blanco), 

 Nicaragua (Rio-Escondido), and Costa Rica (Talamanca; Jimenez; 

 Angostura; Pozo Azul de Pirris; Volcan de Miravalles), to Panama 

 (Bogaba; Lion Hill; Panama). 



Todirostrutn cinereigulare Sclater, Proc. Zool. Soc. Lond., 1856 (pub. Jan. 26, 

 1857), 295 (Cordova, Vera Cruz; b coll. A. Salle); 1859, 384 (Playa Vicente, 

 Vera Cruz; Teotalcingo, Oaxaca); Il)i.s, 1859, 444 (Cordova, Vera Cruz). — 

 Lawrence, Ibis, 1862, 12. 



Tod[irostruni] cinereigulare Sclater, Proc. Zool. Soc. Lond., 1857, 84. 



[Todirostrum] cinereigulare Gray, Hand-list, i, 1869, 348, no. 5259. 



Oncostoma cinereigulare Sclater, Cat. Am. Birds, 1862, 208, pi. 18, fig. 1 (Oaxaca) 

 Cat. Birds Brit. Mus., xiv, 1888, 77 (Oaxaca; n. Yucatan; Vera Paz, Retal- 

 huleu, Coban, and Volcan de Agua, Guatemala; Hondura'*; Bogaba, Chiri- 

 qui).— Salvin, Ibis, 1866, 194 (Coban); Proc. Zool. Soc, 1870, 196 (Bogaba, 

 Panama). — Lawrence, Ann. Lye. N. Y., ix, 1868, 111 (Angostura, Costa 

 Rica). — Frantzius, Journ. fiir Orn., 1869, 307 (Costa Rica). — Sumichrast, 

 Mem. Bost. Soc. N. H., i, 1869, 557 (tierra caliente of Vera Cruz). — Lawrence, 

 Bull. U. S. Nat. Mus., no. 4, 1876, 26 (Guichicovi, Cacoprieto, Tapana, and 



o Eleven specimens. 



Specimens from different geographic areas compare in average measurements as 

 follows : 



I am not able to discover any differences in coloration. 



b In tlu! British Museum catalogue of Tyi-annida» (Cat. B. Brit. Mus. xiv, 1888, 77) 

 a specimen from Oaxaca is designated as "Type of the species," an obvious error, since 

 the species was based upon specimens from Cordova, State of Vera Cruz. 



