ORDER PASSERES. 215 



521 a. Lozia curvirostra stricklandi Ridgw. 



Mexican Crossbill. 



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

 1885, 354. 



[B 3i8«, C 143a, R 172^, 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. 



Whlte-Tringed Crossbill. 



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

 [B319, C 142, R 173, C 198.] 

 Geog. Dist. — Northern parts of North America, south into the 

 United States in winter. Breeds from northern New England 

 northward. 



Genus LBXTCOSTICTE Swainson. 



Leucosticte Swains, in Sw. & Rich. Fauna Bor. Am. II. 183 1, 

 265. Type, Linaria tephrocotis Swains. 



523. Leucosticte griseonucha (Brandt). 



Aleutian Leucosticte. 



Fringilla (Linaria) griseonucha Brandt, Bull. Ac. St. P^tersb. 



Nov. 1841, 36. 

 Leucosticte griseinucha Bonap. Consp. Av. I. 1850, 537. 

 [B 323, C 144a:, R 174, C 205.] 

 Geog. Dist. — Aleutian Islands, including Kadialc, Unalaska, 

 Pribilof, and Commander Islands. 



524. Leucosticte tephrocotis Swains. 



Gray-croTvned 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. 



