142 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



partly red; bill dull black; iris brownish red; ° legs and feet dull 

 black. 



Adult male.— Length (skins), 350-404 (389); wing, 260-273 (267); 

 tail, 173-195 (182.4); culmen, 38.5-41 (39.7); tarsus, 19-21.5 (20.3); 

 outer anterior toe, 27.5-31.5 (29.2).^ 



Adult female. —Length (skins), 360-390 (374); wing, 255-265 (261); 

 tail, 165-184 (177.2); culmen, 37-39 (38.4); tarsus, 19.5-22 (20.6); 

 outer anterior toe, 27-31.5 (28.7) .'^ 



Mountains of northern and middle Mexico (in pine belt) , in States 

 of Chihuahua (Pinos Altos; Bravo; Colonia Pacheco; Colonia 

 Garcia; Jesus Maria; Chuichupa; near Guadalupe y Calvo), 

 Durango (Arroyo del Buey; San Andres; Ciudad Durango), Mexico 

 (Popocatepetl), and Vera Cruz (Jalapa; Cofre do Perote; Moyoa- 

 pam); occasional m southern Arizona (Bonita Pass, Chiricahua 

 Mts.; Paradise). 



Majcrocercus pachyrhynchus Swainson, Philos. Mag., n. s., i, no. 6, June, 1827, 439 



(table land of Mexico; coll. Bullock Mus.). 

 S[ittacc] pachyrhyncha Wagler, Mon. Psltt., 1832, 6C7, 733. — Baird, Brewer, 



and KiDGWAY, Hist. N. Am. Birds, ii, 1874, 586, footnote. 

 Sittace pachyrhyncha Wagler, Mon. Psitt., 1832, pi. 25. — Hartlaub, Syst. Verz., 



1844, 86.— FiNSCH, Die Papag., i, 1867, 428. 

 Psittacus pachyrhynchus Kxjster, Orn. Atlas, Papag., 1840, 94, pi. 73. 

 A[ra] pachyrhyncha Gray, Gen. Birds, ii, 1845, 412. 

 Ara pachyrhyncha Gray, List Birds Brit. Mus., Psittacidae, 1859, 29. — Sclater, 



Proc. Zool. Soc. Lend., 1859, 368 (Jalapa, Vera Cruz). 

 [RhynchopdUa] pachyrhyncha Bonaparte, Eev. et Mag. de Zool., 1854, 149, Consp. 

 Psitt., p. 6; Naumannia, 1856 (Conspectus Psitt., no. 30). — Sclater and 

 Salvin, Nom. Av. Neotr., 1873, 111. — Forbes and Robinson, Bull. Liver- 

 pool Mus., i, 1897, 10 (Mexico). 

 Rhynchopsitta pachyrhyncha Souance, Eev. et Mag. de Zool., 1856, 57; Icon. Perr, 

 1857, pi. 5.— Sclater, Proc. Zool. Soc. Lond., 1857, 230, in text (Mexico).— 

 Baird, Rep. Pacific R. R. Surv., ix, 1858, 66 ("Rio Grande, Texas"); Rep. 

 U. S. and Mex. Bound. Surv., ii, no. 2, 1859, 5 ("Rio Grande, Texas"); Cat. 

 N. Am. Birds, 1859, no. 64.— Sumichrast, Mem. Bost. Soc. N. H., i, 1869, 562 

 (alpine zone. Vera Cruz). — Salvin, Ibis, 1871, 91 (range). — Ridgway, Proc. 

 U. S. Nat. Mus., iii, 1880 (Cat. N. Am. Birds), 190; Nom. N. Am. Birds, 1881, 

 no. 391; Man. N. Am. Birds, 1887, 593. — American Ornithologists' Union 

 Committee, Check List, 1886, 354 (hypothetical list, no. 16); 2d ed., 1895, 

 330; 3rd ed., 1910, 179; Auk, xviii, 1901, 300.— Chapman, Auk, v, 1888, 395.— 

 Salvin and Godman, Ibis, 1889, 242, in text (western Sierra Madre of Mex- 

 ico).— Allen, Bull. Am. Mus. N. H., v, 1893, 34 (Pacheco, n. Chihuahua).— 

 LusK, Condor, ii, 1900, 129 (Chiricahua Mts., Arizona, June, 1900; flock).— 

 Miller (W. De W.), Bull. Am. Mus. N. H., xxii, 1906, 164 (Arroyo del Buey 

 and San Andreas, n. w. Durango).— Thayer, Auk, xxiii, 1906, 223 (Pacheco, 

 Colonia Pacheco, and Colonia Garcia, Chihuahua, breeding; descr. nest and 

 eggs).— Bergtold, Auk, xxiii, 1906, 425-428 (Sierra Madre of Chihuahua, 

 from Chuichupa southward; habits). — Smith (A. P.), Condor, ix, 1907, 104, 

 cut (Bonita Pass, Chiricahua Mts., Aug., 1904; "immense flock"). 



a W. De W. Miller, Bull. Am. Mus. N. H., xxii, 164. 

 & Ten specimens, from Chihuahua. 

 c Nine specimens from Chihuahua 



