698 



BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



Adult female. — Similar to the male and not always distinguishable 

 as to coloration, but tips of longer primaries much less attenuated 

 and orange-red crown spot usually more restricted; length (skins), 

 181-204 (196); wmg, 118.5-129.5 (122.3); tail, 81.5-94 (86.9); exposed 

 culmen, 16.5-19.5 (18.1); tarsus, 18-19.5 (18.5); middle toe, 13.5- 

 14.5 (13.9).« 



Young. — Essentially like adults, but no orange or orange-red patch 

 on crown; gray of head browner (more drab-gray), becoming much 

 paler on superciliary region; feathers of lower rump margined termi- 

 nally with light cinnamon-brownish; wing-edgings broader and more 

 or less buffy, and yellow of under parts paler. 



Western United States and contiguous parts of British America 

 and Mexico; north to North Dakota, ^lontana, northern Idaho, and 

 southern British Columbia (Vancouver Island), occasionally to Mani- 

 toba (Souris), southern Assiniboia, and Alberta (?^; east regularly to 

 w^estern Minnesota (Lake Traverse and Minnesota River), eastern 

 South Dakota and Nebraska, middle Kansas, Oklahoma, and western 

 Texas; breeding southward to northern Lower California (Rancho 

 San Ysidora), southern Arizona (Tucson, Camp Lowell, Huachuca 

 Mountains., etc.), and northern Chihuahua (San Diego; Casas 

 Grandes) , probably also northern Sonora ; southward during migration 

 through western Mexico (Tepic; Plains of Colima; Tapana, Oaxaca), 

 to highlands of Guatemala (Duenas ; Volcan de Fuego) . Accidental in 

 Iowa, Maine (Pembroke), New York (Riverdale, October 19, 1875), 

 Maryland (near Washington, D. C, September, 1874), etc. 



Tyrannus verticalis Say, Long's Exp. Rocky Mts., ii, 1823, 60 (Arkansas R., 

 Colorado or w. Kansas). — Bonaparte, Geog. and Comp. List, 1838, 25. — 

 NuTTALL, Man. Orn. U. S. and Can., 2d ed., 1840, 360.— Baird, Rep. Pacific 

 R. R. Surv., ix, 1858, 173; Cat. N. Am. Birds, 1859, no. 126.— Heermann, 



o Fourteen specimens. 



