ORDER PASSERES. 215 



521 a. Loxia curvirostra Strickland! RIDGW. 



Mexican Crossbill. 



Loxia curvirostra stricklandi RIDGW. Pr. U. S. Nat. Mus. VIII. 

 1885, 354. 



[B 3180, C 1430, R 1720, C 200.] 



GEOG. DIST. Mountains of Wyoming and Colorado, west to the 

 Sierra Nevada, and south through New Mexico, Arizona, and the 

 tablelands of Mexico to Guatemala. 



522. Loxia leucoptera GMEL. 



White-winged Crossbill. 



Loxia leucoptera GMEL. S. N. I. ii. 1788, 540. 

 [B 3 i 9 , C 142, Ri73, C 198.] 



GEOG. DIST. Northern parts of North America, south into the 

 United States in winter. Breeds from northern New England 

 northward. 



GENUS LEUCOSTICTE SWAINSON. 



Leucosticte SWAINS, in Sw. & RICH. Fauna Bor. Am. II. 1831, 

 265. Type, Linaria tephrocotis SWAINS. 



523. Leucosticte griseonucha (BRANDT). 



Aleutian Leucosticte. 



JFringilla (Linaria) griseonucha BRANDT, Bull. Ac. St. P^tersb. 



Nov. 1841, 36. 

 Leucosticte gr is einucha BONAP. Consp. Av. I. 1850, 537. 



[B 323, C 1440, R 174, C 205.] 



GEOG. DIST. Aleutian Islands, including Kadiak, Unalaska, 

 Pribilof, and Commander Islands. 



524. Leucosticte tephrocotis SWAINS. 



Gray-crowned Leucosticte. 



Linaria (Leucosticte) tephrocotis SWAINS, in Sw. & RICH. Fauna 



Bor. Am. II. 1831, 265, pi. 50. 

 Leucosticte tephrocotis SWAINS, in Sw. & RICH. Fauna Bor. Am. 



II. 1831, 494. 



