342 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



(63.9); tail, 147-184 (167.5); middle rectrices, 26.5-29.5 (28.3); 

 culmen, 19-20.5 (19.5) .« 



Adult female.— Ahove metallic, slightly bronzy green, duller on 

 pileum, where the feathers are dark sooty grayish tipped with metallic 

 green; remiges dusky, faintly glossed with purplish, the outermost 

 narrowly edged with whitish; middle pair of rectrices metallic bronze- 

 green, the other rectrices metallic bronze-green basally, then bluish 

 black, the two outermost broadly tipped with dull white; under parts 

 white, the sides of neck, and thence to flanks, spotted with metallic 

 green; bill wholly black; iris brown; feet dusky; length (skins), 

 96-108 (103); wing, 52.5-56.5 (54.8); tail, 33.5-39.5 (36.4); middle 

 rectrices, 29-32 (30.5); culmen, 18.5-21 (20.3).*^ 



Northern slope, island of Jamaica (Priestmans River; Port Anto- 

 nio); accidental or casual on southern slope (vicinity of Kingston). 



Aithurus polytmu^ (not Trochilus polytmus Linnaeus) Scott, Auk, ix, 1892, 277, 



part. 

 Aithurus scitulus Brewster and Bangs, Proc. New Engl. Zool. Club, ii, Feb. 8, 



1901, 49 (Priestmans River, Portland Parish, Jamaica; coll. Mus. Comi^. 



Zool.). 



Genus HEMISTEPHANIA Reiehenbach. 



Doryfera (not Doryphora Illiger, 1809) Gould, Proc. Zool. Soc. Lond., 1847, 95. 



(Type, "Trochilus {Dory/era) louise"^ Trochilus ludoricix Bourcier and 



Mulsant.) 

 Dorifera Bonaparte, Consp. Av., i, 1850, 68; Rev. et Mag. de Zool., 1854, 251. 

 Doryphora (emendation; not of Illiger) Oabanis and Heine, Mus. Hein., iii, 



April, 1860, 77. 

 [Helianthea. a. Uemistephania Reichenbach, Aufz. der Colib., 1854, 9. (Type, 



Trochilus ludovicix Bourcier and Mulsant.) 



Medium-sized Trochilidie (length about 100-125 mm.) with the 

 very long, subulate, slightly recurved bill about as long as body, 

 tail shorter than bill, decidedly rounded, the rectrices broad, and 

 rather dull coloration (nearly uniform dusky, the adult males, at 

 least, with a frontal patch of metallic green or blue). 



Bill very long (about as long as body, more than twice as long as 

 head), slender-subulate, nearly straight but usually appreciably 

 recurved, the tip compressed, the tomia smooth. Nostril slit-like, 

 overhung by a broad, tumid, unfeathered operculum. Tarsus 

 unfeathered, about as long as middle toe without claw; middle and 

 inner toes equal in length, the outer decidedly shorter; hallux about 

 e(:[ual to outer toe or slightly shorter. Wing less than twice as long 

 as bill, the outermost primary longest. Tail half as long as wing to 

 decidedly more, decidedly rounded, the rectrices broad, wdth rounded 

 or sub-acuminate tip. 



o- Ten specimens. 



