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—Above 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 polytmus (not Trochilus polytmus Linneus) Scorr, Auk, ix, 1892, 277, 
art. 
ae scitulus BREwsTER and Banas, Proc. New Engl. Zool. Club, ii, Feb. 8, 
1901, 49 (Priestmans River, Portland Parish, Jamaica; coll. Mus. Comp. 
Zool.). 
Genus HEMISTEPHANIA Reichenbach. 
Doryfera (not Doryphora Mliger, 1809) GouLp, Proc. Zool. Soc. Lond., 1847, 95. 
(Type, ‘‘Trochilus (Doryfera) louise” =Trochilus ludovicie Bourcier and 
Mulsant.) 
Dorifera BoNAPARTE, Consp. Av., i, 1850, 68; Rev. et Mag. de Zool., 1854, 251. 
Doryphora (emendation; not of Jlliger) CaBanis and Heine, Mus. Hein., iii, 
April, 1860, 77. 
[Helianthea. a. Hemistephania RetcHenBacn, Aufz. der Colib., 1854, 9. (Type, 
Trochilus ludovicie Bourcier and Mulsant.) 
Medium-sized Trochilide (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 
equal 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, with rounded 
or sub-acuminate tip. 
@ Ten specimens. 
