588 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



Tarsus feathered, except on posterior side; lateral toes about equal 

 in length, slightly shorter than middle toe. Wing about three times 

 as long as exposed culmen, tlie outorniost primary longest, not atten- 

 uated at tip. Tail about half as long as wing, double-rounded, the 

 rectrices broadest subterminally, subspatulate (especially the middle 

 pair) in adult male, in adult female rounded, with rectrices less dis- 

 tinctly subspatulate. 



Coloration. — Above metallic bronze-green; beneath dull whitish 

 medially and on chest, cinnamon-bufTy laterally; adult male with nar- 

 row, elongated feathers of throat pure white basally, metallic reddish 

 purple terminally, the tail (including middle rectrices) blackish passing 

 into sooty grayish terminally and edged with cinnamon-rufous 

 basally; adult female w^ith throat whitish, sometimes flecked with 

 dusky, middle rectrices bronze-greenish, other rectrices grayish 

 basally (with shaft of that portion pale cinnamon) black subterminally 

 or terminally, the two or three outermost tipped with wdiite. 



Range. — British Columbia to central Mexico. (Monotypic.) 



STELLULA CALLIOPE (Gould). 



CALLIOPE HUMMING BIRD. 



Adult male. — Above metallic bronze-green, usually rather duller on 

 forehead; middle pair of rectrices subspatulate or with subterminal 

 portion contracted, dull purplish black or dusky, edged basally (more 

 or less distinctly) with cinnaznon-rufous, and broadly tipped with dull 

 brownish gray; remaining rectrices similar in coloration, but cinna- 

 momeous basal edgings less distinct (sometimes obsolete) and grayish 

 tip less distinct; remiges dull brownish slate or dusky, very faintly 

 glossed with purplish; feathers of gorget narrow and distinctly out- 

 lined, much elongated posteriorly, pure white basally and metallic 

 reddish pm^ple (solferino) terminally, the basal white much exposed, 

 especially on chin and up})er throat; foreneck and chest white, or 

 grayish white; rest of under parts more grayisli, strongly tinged or 

 suffused with cinnamon-buff laterally, the sides glossed, or overlaid, 

 with metallic bronze-green, the under tail-coverts white, tinged with 

 cinnamon-buff toward anal region; maxilla dull black or dusky; 

 mandible dusky terminally, more brownish (flesh-color in life) basally; 

 iris dark brown; feet dusky; length (skins), 66-73 (69); wing, 37-40 

 (38.7); tail, 19.5-20.5 (20); exposed culmen, 13.5-15 (14.3).« 



Adult female. — Above metallic bronze-green or greenish bronze 

 (usually much more bronzy than in adult male); remiges brownish 

 slate or dusky, very faintly glossed with purplish; middle pair of 

 rectrices dull bronze-green or greenish bronze, sometimes with 

 terminal portion (more or less extensively) puri3lish dusky or 



« Ten Bpecimens. 



