622 BULLETIN 50, UNITED STATES NATIONAL MUSEUM, 



yellow to lioht cadmiuin yellow), the under tiiil-eoverts deeidedly paler, 

 sometimes white, the lower Inick and riiinp sometimes spotted or 

 streaked with ])lack; lateral portions of hack, scapulai's, wing's, tail, and 

 upper tail-eoverts black; middle and innermost jifreater wing-coverts 

 broadl}" tipped with white (sometimes with pale yellow), forming two 

 conspicuous ])ands: outer webs of tertials with a large terminal spot 

 of white (a])sent in much abraded plumage); terminal })()rtion of pri- 

 maries edged with white; a large white patch at base of primaries, 

 extending across ))oth webs except on outermost primary, the outer 

 web of which is black; upper tail-coverts broadl}' tipped with white 

 (except in worn plumage); inner webs of two outermost tail-feathers 

 with terminal third or more white; maxilla black or dusky, mandible 

 paler (pluml)eous in life^); legs and feet dusky (plumbeous in life^); 

 length (skins), 213.36-2-1:1.30 (225.55); wing, ll-t. 30-123. 95 (llY.35); 

 tail, 89.6H-9Y.79 (92.46); culmen, 23.37-25.15 (24.64); depth of bill at 

 base, 19.30-22.35 (20.57); tarsus, 26.16-27.43 (26.67); middle toe, 

 17.78-19.56 (19.05).! 



Adult feuiale. — A])ove yellowish olive-green (more ^-ellowish on 

 head, neck, and rump, more grayish on back and scapulars), streaked, 

 except on rump, with dusky, the streaks broadest on back, sometimes 

 indistinct on pileimi and hindneck; Avings and tail grayish, the former 

 with white markings, as in the male, but the white patch at base of 

 primaries much smaller, scMietimes obsolete; white on inner webs of 

 lateral tail-feathers restricted to a narrow terminal margin; sides 

 of head (including narrow superciliary stripe) and under parts yellow, 

 paler and less pure than in the male; length (skins), 213.36-238.76 

 (223.62); wing, 105.66-113.03 (110.74); tail, 85.85-91.95 (89.15); cul- 

 men, 24.64-25.40 (25.15); depth of bill at base, 20. 07-20. 57 (20.32); 

 tarsus, 26.16-27.43 (26.92); middle toe, 18.03-19.30 (18.80).' 



Immature male. — Similar to adult female, but rather brighter col- 

 ored, with dusk}' streaks above mainly confined to back and scapulars, 

 and broader as well as more f'ecidedly black, the pileum and hindneck 

 without streaks. 



Western and south-central Mexico, in States of Sinaloa (Mazatlan, 

 Kosario, Culiacan, etc.), Durango (Chacala), Jalisco (Las Palmas), 

 Colima (Armeria), and Puebla (Chietla). 



Coccothrcmstes dirysopeplus Vigors, Proc. Zool. Soc. Lond., 1832, 4 (Mexico; coll. 

 Zool. Soc. Lond.). 



P.[itylus'] chrysopeplus Gray, Gen. Birds, ii, 1844, 362. 



[Coccoborus'] chrysopeplus Bonaparte, Consp. Av., i, 1850, 504 (Mexico). 



Ph.[^eucticus'] chrysopeplus Cabanis, Mus. Hein., i, July, 1851, 153, footnote (excl. 

 syn. chrysogaster Lesson). 



Pheucticus chrysopeplus FiNscn, Abh. Nat. Ver. Bremen, ii, 1870, 339 (Mazat- 

 lan). — Lawrence, Mem. Bost. Soc. N. H., ii, 1874, 274 (Mazatlan; Rio de la 

 Armeria, Colima). — Ferrari -Perez, Proc. U. S. Nat. Mus., ix, 1886, 141 



^ Six specimens. ^ Five specimens. 



