314 NORTH AMERICAN BIRDS. 



sides, and flanks also rufous. Adult females with 

 all the tail-feathers rufous for basal half (but green 

 on middle pair running along median portion 

 nearly to base), the three outer feathers broadly 

 tipped with white and marked by a subterminal 

 broad band of blackish ; belly white, but sides, 

 flanks, and under tail-coverts light rufous. Young 

 males : Similar to adult female, but feathers of upper 

 parts bordered with pale rusty, the rump show- 

 ing much rufous, and throat usually with one or 

 more feathers (new moult) of bright metallic red. 

 Young females : Similar to young males, but rump 

 entirely green, and throat showing only dull green- 

 ish specks. 

 h\ Adult male : Tail-feathers broad, the second (from 

 middle) with a deep notch near end of inner 

 web, and outer web sinuated near tip ; outer 

 feather more than .10 broad ; upper parts 

 rufous, the crown (and, rarely, the back) 

 glossed with dull metallic green ; length about 

 3.25-3.70, wing 1.50-1.60, tail 1.30-1.35, cul- 

 men .60. Adidt female : Outer tail-feather 

 more than .10 wide ; length about 3.50-3.90, 

 wing 1.75-1.80, tail 1.25-1.30, culmen .65-70. 

 Eggs .48 X -31. Hab. Western North Amer- 

 ica, north beyond northern border of United 

 States (to or beyond Sitka on Pacific coast), 

 east to Eocky Mountains, south over table- 

 lands of Mexico 433. T. rufus GrMEL. 



Rufous Hummingbird. 

 h?. Adult male: Tail-feathers narrow, the second 

 (from middle) without notch or sinuation ; 

 outer feather much less than .10 broad ; whole 

 back, as well as crown, bright metallic green; 

 length about 3.25-3.30, wing 1.50-1.55, tail 

 1.10-1.20, exposed culmen .60-65. Adult fe- 

 male : Outer tail-feather not more than .10 

 wide ; length about 3.40, wing 1.65-1.70, tail 

 1.05-1.15, exposed culmen .68-.70. Eggs .48 

 X -32. Hab. Coast district of California, 

 north to British Columbia, south to Arizona. 

 434. T. alleni (Hensh.). 

 Allen's Hummingbird. 

 Adult male with top of head brilliant metallic red, 

 like gorget, the middle tail-feathers green bordered 



