Hirundinidce, Formicarida?, Tyrannidce, etc. 403 



tipped with white; quills brownish purpla ; throat and breast glit- 

 tering green, with a golden tinge ; abdomen green, much like the 

 back in color ; under tail coverts dull olive, with green centres, 

 and bordered with greyish white ; there is an oblong white patch 

 just forward of and partly below the eye ; bill black ; feet yellowish 

 brown, soles light yellow. 



Length (fresh), 5{ in. ; wing, 2| ; tail, If ; bill, ^fL 

 The female measures five inches in length, and differs otherwise 

 only in having the throat of a deeper green, without the tinge of 

 golden. 



Habitat. — Costa Rica ; the female collected at Angostura, 

 June 15th, 1864; and the male at Juiz, March 14th, 18136, by 

 J. Carmiol. Specimens in Mus. Smith. Institution, Nos. 

 34,922 and 41,476. 



I have named this species in compliment to Prof. Joseph 

 Henry, the learned Secretary of the Smithsonian Institution. 



Remarks. — The specimen marked as a female was in a 

 collection sent to me for examination from the Smith. Inst., in 

 Nov., 1864. Being unable to identify the species, I desired to 

 see the male, and one marked as such was received in April 

 of the present year. There are no indications of the brilliant 

 crown and throat spot, existing in the other species of this 

 genus ; but possibly the specimens before me may be imma- 

 ture, and the fully adult male may possess them. The only 

 apparent evidence of the specimens not being mature is, that 

 the white bases are visible on some of the feathers of the 

 throat, and the tails are tipped with white ; there is, however, 

 no appearance of rufous or buffy colors to indicate youth. 



The green coloring is much as in H. Jamesoni, and the 

 size is about the same as of that species. 



There is no record of any bird of this form having been 

 hitherto found north of the Isthmus of Darien. 



