432 BULLETIN 50, UNITED STATPIS NATIONAL MUSEUM. 



PIPILO FUSCUS INTERMEDIUS Nelson. 

 ALAMOS TOWHEE. 



Similar ill coloration to 1\ f. potoxinux but chin and throat much 

 paler butf, in this respect resembling- P. f. mesoleucus; decidedl}^ 

 smaller than the latter, with upper parts darker, but at the same time 

 grayer, and pileum usually concoloi' with the l>ack, or nearly so, instead 

 of being- distinctly rufescent. 



Adult ma/(?. —Length (skins), 195.58-205.74 (200.66); wing, 90.93- 

 93.47 (92.71); tail, 98.55-104.65(101.35); exposed cuimen. 13.46-15.24 

 (14.22); tarsus, 24.89-25.40 (25.15); middle toe, 17.53-19.81 (18.54).' 



Adult female.— IjQwgth (skins), 196.85-203.20 (197.61); wing, 86.36- 

 91.95 (89.15); tail, 96.52-101.60 (98.55); exposed cuimen. 13.46-14.48 

 (13.97); tarsus, 24.13-25.40 (24.64); middle toe, 16.51-18.80 (17.53)."' 



Coast district of southern Sonora (Guaymas, Alamos, Batomotal, 

 Magdalena, etc.) and northern Sinaloa. 



Fipilo fuscus mesoleacus (not Pipilo mesolfucus Baird) Belding, Proc. U. S. Nat. 



Mus., vi, 1883, 343, 344 (Guaymas, Sonora). 

 Pipilo fuscus intermedius Nelson, Proc. Biol. Soc. VVasli., xiii. May 29, 1899, 27 



(Alamo?, Sonora; U. S. Nat. Mus.). 



PIPILO FUSCUS MESOLEUCUS (Baird). 

 CANON TOWHEE. 



Similar to I^./'. potonln us but still paler, especially the grayish-brown 

 of upper parts, sides, etc., with the pileum (except sometimes the fore- 

 head), always distinctly rufescent (inclining, more or less, to cinnamon 

 or cinnamon-rufous); tail. I)ill, tarsus, and middle toe longer. 



Adult male.— Length (skins), 194.06-222.76 (204.98); wing, 88.65- 

 100. OS (94.49); tail. 95. 76-107.44 (1ol>.s7); exposed cuimen, 14.22-16.76 

 (15.49); tarsus, 24.89-26.92 (25.91); middle toe, 17.27-19.56 (I8.!i9.)' 



Adult female.— Length (skins), 196.85-221.49 (205.99); wing. 86.11- 

 99.57 (91.19); tail, 94.23-109.47 (99.82); exposed cuimen. 14.48-16.26 

 (14.99); tarsus, 24.64-26.42 (25.40); middle toe, 15.49-18.80 (18.03).* 



Arid districts of lower and upper Austral provinces, in Arizona, 

 southern and eastern New Mexico, western Texas, eastern Colorado, 

 (valley of Arkansas River, Pueblo Count3% etc.), and southwestern 

 Colorado (Wet Mountains, etc.), south to northeastern Sonora 

 (Granados, Nacory, etc.), and northw(^stern Chihuahua (San Diego, 

 Kuevenche Plain, Colonia Garcia, etc.). 



^ Four specimens. ^ Twenty specimens. 



- Five specimens. * Eleven specimens. 



