BIRDS OF NORTH AND MIDDLE AMERICA. 7l3 



with pale buffy brown or cinnamon, the greater coverts and remiges 

 narrowh^ edged with very pale brownish or dull whitish (sometimes 

 tinged with cinnamon on greater coverts) ; lores mixed grayish and 

 dusky; suborbital and auricular regions deep grayish brown (like 

 pileum); malar region, chin, and throat white, passing into very pale 

 gray on chest; rest of under parts pale canary or deep primrose yel- 

 low, the sides and flanks faintly tinged with pale olive; axillars and 

 under wing-coverts rather dull primrose yellow; inner webs of remi- 

 ges edged with j^ellowish white; maxilla blackish brown or brownish 

 black; mandible dark brown, slightly paler basally; iris brown; legs 

 and feet brownish black; length (skins), 223-235 (230); wing, 132- 

 136 (134); tail, 99.5-103.5 (101.4); exposed culmen, 24.5-28 (26.7); 

 tarsus, 19.5-21 (20.2); middle toe, 15-17 (16.3).« 



Adult f final e. — Similar to the male and not always distinguishable 

 as to coloration, but tips of longer primaries very slightly attenuated 

 and yellow crown-patch usually narrower; length (skins), 211-238 

 (222); wing, 126-135 (130); tail, 94.5-100 (97.6); exposed culmen, 

 23.5-25.5 (24.8); tarsus, 19-20.5 (19.7); middle toe, 14.5-17 (15.9).^ 



Young. — Similar to adults, but crown without yellow, retrices 

 broadly edged and terminally margined with cinnamon or cinnamon- 

 buff, and wing-coverts margined and edged with the same. 



Western and southern Mexico, in States of Sinaloa (Mazatlan; 

 Culiacan; Escuinapa; Sauz; Plomosas), Jalisco (Bolanos), Colima 

 (Plains of Colima), Guerrero (Acahuitzotla; Chilpancingo; Omil- 

 teme) , Morelos (Cuernavaca) , Puebla (Chietla) , and Oaxaca (Tehuan- 

 tepec; Tapana; Chihuitan; Cacoprieto; Los Cues; Cerro San Felipe) , 

 and western Guatemala (Escuintla). 



Tyrannus crassirostris Swainson, Quart. Journ. Sci., xx, no. xl., Jan., 1826, 273 

 ("warm districts of Mexico"); Philos. Mag., n. s., i, 1827, 368. — Sclater, 

 Ibis, 1859, 439 (Mazatlan, etc.); Proc. Zool. Soc. Lond., 1862, 19 (Oaxaca); 

 Cat. Am. Birds, 1862, 236 (Mazatlan); Cat. Birds Brit. Mus., xiv, 1888, 271 

 (Mazatlan; near City of Mexico; Cacoprieto, Oaxaca; Escuintla, Guate- 

 mala). — Sclater and Salvin, Ibis, 1860, 399 (Escuintla, w. Guatemala). — 

 Lawrence Mem. Bost. Soc. N. H., ii, 1874, 288 (Mazatlan; habits); Bull.U. S. 

 Nat. Mus., no. 4, 1876, 28 (Chihuitan and Los Cues, Oaxaca). — Ridgway, 

 Proc. U. S. Nat. Mus., i, 1879, 472 (monogr.).— Ferrari-Perez, Proc. U. S. 

 Nat. Mus., ix, 1886, 155 (Chietla, Puebla).— Salvin and Godman, Biol. 

 Centr.-Am., Aves, i, 1889, 103 (Sauz, Sinaloa; Chilpancingo, Omilteme, and 

 Acahuizotla, Guerrero, etc.). — Lantz, Trans. Kansas Ac. Sci. for 1896-97 

 (1899), 221 (Culiacan, Sinaloa.)— Miller (W. T>.), Bull. Am. Mus. X. IL, 

 xxi, 1905, 358 (Escuinapa, etc. Sinaloa). 



T[yrannus] crassirostris Bonaparte, Consp. Av., i, 1850, 192 ('' Brazil V. — Rino- 

 WAY, Man. N. Am. Birds, 1887, 329. 



[Tyrannus] crassirostris Gr.\y, Hand-list, i, 1869, 365, no. 5556. — Sclater and 

 Salvin, Norn. Av. Neotr., 1873, 53.— Sharpe, Hand-list, iii, 1901, 149. 



«Six specimens. & Seven specimens. 



