BIRDS OF NORTH AND MIDDLE AMERICA. 409 



91.95 (89.66): tail, 91.69-99.06 (95.25); exposed culmen, 15.24-15.49 

 (15.36): depth of bill at base, 10.16-10.92 (10.67): tarsus, 30.48-32.77 

 (31.50); middle toe, 19.81-20.83 (20.32).> 



Adult fe male. ^luengih (skin), 193.04; wing, 83.31; tail, 97.79; 

 exposed culmen, 16.26; depth of bill at base, 10.16; tarsus, 29.72; 

 middle toe, 19.05." 



Southwestern portion of ^Mexican plateau, in State of Michoacan 

 (Patzcuaro, 15 miles south of Lake Patzcuaro, Nahuatzin, etc.). 



'hamxospiza nigrescens Salvix and Godman, Ibis, 6th ser., i, July, 1889, 381 

 (Patzcuaro, Michoacan, s. w. Mexico; coll. Salvin and Godman). 

 Chamseospiza torquata (not Pipilo torquatus Du Bus) Stone, Proc. Ac. Nat. Sci. 

 Phila., 1890, 218 (15 m. ?. of Patzcuaro, Michoacan).'* 



PIPILO MACRONYX MACRONYX Swainson. 

 SWAINSONS TOWHEE. 



Similar to P. r/u/culctus maculatus., but decidedh' larger, with pro- 

 portionall}- larger and stouter feet and much larger, blunter claws; 

 general color of upper parts olive-green instead of olive-brown or olive- 

 grayish, with the lighter markings (including tail-spots) more or less 

 yellow (usually distinctly pale yellow); edge of wing canary yellow. 



Adult vial e.—l^ewgih. (skins), 206.76-223.77 (215.90): wing, 88.90- 

 93.98 (91.69); tail, 104.14-111.00 (107.19); exposed culmen, 15.24-16.51 

 (15.75); tarsus, 30.73-32.26 (31.50); middle toe, 20.8:3-22.35 (21.59); 

 hind claw, 13.21-13.97 (13.72); white spot on outer tail feather, 25.40- 

 33.02 (28.96).* 



Adult fern ale.— l^en^ih (skins), 203.20-215.39 (208.79); wing, 86.61- 

 90.68 (88.14); tail, 95.2.5-104.65 (100.08); exposed culmen, 13.97-15.49 

 (14.99); tarsus, 29.97-31.75 (30.48); middle toe, 19.81-21.59 (20.57); 

 hind claw, 11.43-13.46 (12.95); white spot on outer tail feather (two 

 .specimens only), 23.37-24.64 (23.88).^ 



Mountains bordering the valley of Mexico, in States of Mexico (City 

 of Mexico, Temascaltepec, Mount Popocatepetl, Amacameca, etc.), 

 Pue]>la (Tezuitlan; Tochimulco), Hidalgo (Real del Monte), and More- 

 los (Huitzilac: Tetela del Yolcan). 



Pipilo macronijx Swaixsox, Philos. Mag., new ser., i, 1827, 434, part (Real del 

 Monte, Hidalgo, Mexico; coll. "W. Swainson).^ — Sclater and Salvix, Proc. 

 Zool. Soc. Lond., 1869, 361 (Valley of ^Mexico). — Baird, Brewer, and 

 RiDGWAY, Hist. N. Am. Birds, ii, 1874, 105, footnote (City of Mexico).— 

 Salvix, Cat. Strickland Coll., 1882, 234 ("Mexico").— Salvix and Godmax, 

 Biol. Centr.-Am., Aves, i, 1886, 406, part (Real del Monte; Temascaltepec; 

 Tezuitlan, Puebla).— Sharpe, Cat. Birds Brit. Mus., xii, 1888, 751 (near City 

 of Mexico). 



^ Four specimens. * Five specimens. 



^ Two specimens. ^ Six specimens. 



'Specimens examined liy me. "Type now in the Cambridge (England) ^luseuni. 



