760 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



and secondaries plain slate color, the anterior lesser coverts broadly 

 tipped with metallic green or golden green; primaries blackish slate, 

 broadly edged wdth white, except the shorter proximal and outer- 

 most quills; upper breast white or yello\vish wliite, passing into yellow 

 (deep chrome or light orange-yellow) on rest of under parts, the 

 tliighs slate color; bill pale grayish yellowish (bluish gray in life);" 

 naked eyelids ultramarine blue or violet-blue;'^ iris yellow;® feet 

 dusky horn color (bluish gray or cinereous in life);*^ length (skins), 

 255-287 (269); wmg, 130.5-145.5 (137); tail, 139-158 (147.8); 

 culmen, 18.5-21 (19.8); tarsus, 13-14.5 (13.6); inner anterior toe, 

 13-15 (14).^ 



Adult female. — Similar to the adult male, but back, scapulars, 

 rump, and upper tail-coverts uniform slate color (or between slate 

 color and slate-gray), middle rectrices dark slate color (the middle 

 pair less dark and narrowly tipped with black, white of lateral rec- 

 trices much less extensive (that on outer web broken proxunally into 

 bars or spots, that on inner web with the proximal margin much less 

 sharply defined, sometimes broken into irregular spotting or marbhng), 

 anterior under parts paler (slate-gray instead of slate color), yellow 

 of other under parts averaging paler, and maxilla blackish, except 

 for lower basal (rictal) portion; length (skins), 249-282 (264); wing, 

 130.5-141 (136.6); tail, 140.5-160 (148) ; culmen, 17-20 (18.7); tarsus, 

 12.5-15 (13.8); inner anterior toe, 13-15 (14).^ 



Immature male. — Similar to the adult male, but outer web of 

 greater wing-coverts and secondaries conspicuously edged with white, 

 metallic color of middle rectrices duller, white of breast more extended, 

 and yellow of posterior under parts paler. 



Immature female. — Similar to the adult female, but greater wing- 

 coverts and secondaries conspicuously edged \vitli white, the proximal 

 secondaries (tertials) mottled with the same, middle rectrices lighter 

 and more browaiish slate and without black tip, and posterior under 

 parts yellowish white. 



Pacific slope of Mexico, in States of Sinaloa (Mazatlan; Presidio 

 de Mazatldn; La Palma; Los Coyotes; Escuinapa), Michoacan (La 

 Salada), Colima (Manzanillo; Culata near Manzanillo; Colima; Rio 

 de la Armeria; Sierra Madre), Guerrero (Acapulco; Rincon), Oaxaca 

 (Tehuantepec; Tap&ntepec; Tapana; Huilotepec; Santa Efigenia; 

 Chimalapa; Chilmitan; Tequistlan; lanhuitlan; Ventosa; Cacoprieto), 

 and Cliiapas (Tonala), and Territory of Tepic (San Bias; Santiago; 

 Rancho El Colomo, Compostella) . 



Trogon citreoliLS Gould, Proc. Zool. Soc. Lond., 1835, 30 (locality unknown; coll. 

 J. Gould); Mon. Trog., ed. 1, 1838, pi. 13 and text; ed. 2, 1875, pi. 26 and 

 text. — ScLATER and Salvin, Ibis, 1859, 132 ("Yucatan;" error). — Finsch, 

 Abh. Nat. Mus. Bremen, 1870, 327 (Mazatldn, Sinaloa). — Lawrence, Mem. 



o Sumichraet. ^ Ten specimens. c Nine specimens. 



