BIRDS OF NORTH AND MIDDLE AMERICA. 453 



proximally, broad and strongly recurved distally, and different ia 

 color (pure white) from the other coverts (bright metallic green) ; 

 outermost (tenth) primary not longer than ninth, in adult male 

 shorter and with terminal portion abruptly attenuated; and with 

 the sexes very different in color. 



Bill longer than head, slender, terete, but with base slightly ex- 

 panch'd; nasal operculum overlapping maxillary tomium, but the 

 greater part covered by latero-frontal feathers; maxilla with a dis- 

 tinct lateral groove extending about halfway (more or less) from 

 nostril to tip. Wing about three times as long as exposed culmen, 

 the tenth (outermost) primary, in adult male, slightly shorter than 

 ninth, its incurved terminal portion abruptly attenuated, in adult 

 female and young male equal, or nearly equal, to ninth, and not 

 attenuated. Tail nearly three-fifths as long as wing, in adult male 

 deeply emarginate and with rectrices very broad, in adult female 

 rounded, with rectrices much narrower. Tarsal feathering short, 

 the inner side of tarsus wholly exposed. 



Coloration. — Adult male metallic green (brighter below), the fore- 

 head and crown bright violet-blue, the rectrices deep chesnut broadly 

 margined with metallic bronze; adult female green above (including 

 forehead and crown) , under parts grayish white (spotted with green 

 laterall)^, the lateral rectrices dusky distally, with a median terminal 

 cuneate spot of dull whitish and a median fusiform area of chestnut 

 on proximal portion. 



Range. — Eastern Panama (Cerro Azul, 3,000 ft.). (Monotypic.) 



GOLDMANIA VIOLICEPS Nelson. 



GOLDMAN'S HUMMING BIRD. 



Adult male. — Forehead and crown bright metallic blue, the feathers 

 pale grayish buff or dull buffy white beneath surface, passing into 

 pale gray basally; rest of upper parts, from occiput and postocular 

 region to upper tail-coverts, inclusive, bright metallic grass green; 

 tail deep chestnut, the remiges broadly margined (except on proxi- 

 mal portion of inner web) with metallic bronze; remiges slate- 

 blackish, faintly glossed with violaceous ; under parts bright metallic 

 pure green, the feathers gray basally and with a rather broad subter- 

 minal bar of white (mostly concealed) ; femoral tufts white ; under 

 tail-coverts with specialized median tuft wholly pure white, the 

 remainder bright metallic green; maxilla dull black; mandible dull 

 whitish in dried skin (pinkish in life ?) , passing into dusky termi- 

 nally; feet dusky; length (skin), 91; wing, 52.5; tail, 32.5; exposed 

 culmen, 19.*^ 



Immature male. — Similar to the adult male, but green of under 

 parts less uniform (more broken by exposure of white subterminal 



"One specimen (the type.) 



