BIRDS OF NORTH AND MIDDLE AMP^RICA. 747 



and .sides of neck; yellow of chest sharply di^tined posteriorly against 

 the purer white of middle breast and abdomen; sides of breast gray, 

 passing into grayish biitl'y on flanks; tail averaging longer, and bill 

 much smaller. 



Adult 7nale.—hBX\gih (skins), 113-125 (120.3); wing, 52-55 (52.8); 

 tail, 55-58 (57.2); exposed eulmen, 8.5-1) (8.1>); tarsus, 20-23 (20.8).' 



Adult female.— hQvxgth (skins), 115-120 (117.7); wing, 49-54(52); 

 tail, 53-59 (56); exposed eulmen, 9; tarsus, 20-21 (20.r>).2 



Mountain districts of eastern Mexico, in States of Nuevo Leon (Mon- 

 terey), San Luis Potosi (Hacienda Angostura), and northern Vera Cruz 

 (Maitrata). 



Bimleuteru>f rufifrons joui/i Ridgway, Proc. U. S. Nat. Mus., xv, no. 895, July 18, 

 1892, 119 (Hacienda Angostura, San Luis Potosi; coll. U. S. Nat. Mus.).— 

 JouY, Proe. U. S. Nat. Mus., xvi, 189.3, 777, i)art (Hacienda Angostura). 



BASILEUTERUS RUFIFRONS DUGESI Ridgway. 

 DTIGES' WARBLER. 



Similar to B. r. joui/% but upper parts much browner (hair brown, 

 tinged with olive, instead of gra}^ tinged with olive), sides of breast 

 pale bufl'y brown, instead of gray, and flanks more decidedl}' bufl:'y; 

 tail averaging longer. 



Yoimg, first plvmageJ' — Above, including entire pileum, plain brown 

 (intermediate between broccoli and sepia), the middle and greater wing- 

 coverts rather broadly tipped with cinnamon, forming two distinct bands 

 across wing; a supra-auricular stripe of brownish bufl', extending 

 anteriorly to above eyes; auricular region similar in color to pileum; 

 malar region and under parts deep bufl', slightly paler posteriorly. 



Adult ///.//r.— Length (skins), 118-124 (121.7); wing, 50-59 (52.9); 

 tail, 55.5-63 (58.8); exposed eulmen, 9-10 (9.2); tarsus, 20-23 (21.2).* 

 Adult female.— \^^\\gt\i (skins), 116-124 (120.3); wing, 49-52 (50); 

 tail, 52-59 (56.2); exposed eulmen, 8.5-10 (9.1); tarsus, 19-22 (20.1)."" 

 Western and central Mexico, in vStates of Sinaloa (Plomosas; Sierra 

 Madre near Mazatlan), Jalisco (San Sebastian; Barranca Ibarra; 

 Zapotlan; Talpa), Michoacan (Patzcuaro), Guerrero (Tlapa), Oaxaca 

 (Juquila; Cuicatlan; Oaxaca), Morelos (Cuernavaca), Puebla (Tochi- 

 milco), Hidalgo (Real del Monte; El Chico), and Guanajuato. 



Basileuterusrufifruitf^ {not Sctophaga rufifrons fiwainfion) Baird, Review Am. Birds, 

 1865, 248, part (Sierra Madre near Mazatlan). — Lawrence, Mem. Bost. Soc. 

 N. H., ii, 1874, 270, (Sierra Madre). — Salvin and God.max, Biol. Centr.- 

 Am., Aves, i, 1881, 175, part (Sierra Madre). — Sharpe, Cat. Birds Brit. 

 Mus., X, 1885, 397, part. 



' Six specimens. ^ Three specimens. 



* The young of />.?'. ./o(u/v' not seen. Compared with the young of B. r. riififrom 

 that of B. r. iJugeni is strikingly different, ])eing conspicuously browner (or less olive) 

 above and nmch more strongly ;uid jiurely buff below. 



^Tliirteen specimens. * Eight specimens. 



