DIPTILOG^NA. 



69 



Tail, 2|-2f in. 



Bill and feet black. Total length, from 7i-8| in. Wing, 31 in. 

 Bill on culnien, from 3-4 in. 



Female differs in having the throat white, each feather with a dark brown central 

 streak. Under surface bronzy-green, each feather margined with white ; and also 

 having the metallic-green bands around the throat. Total length, T^-S,^ ia. Wing, 

 3 in. Tail, 2-2^ in. Culmen, ^-^ in. 



Some of my specimens of females have the bills longer than any of the males, 

 even of those from the same localities. 



Genus XXXV.— DIPHLOG^NA. 



Diphlogmna, Gould. Intr. Mon. Troch., octavo ed., p. 133 (1861), dcscr. 



Ch. Bill straight, slender, very long. 

 Wings very long, pointed. Tail long, deeply 

 forked. Tarsi partially clothed. Sexes very 

 dissimilar. 



Range. Ecuador, Bolivia. 



Two species arc known. 



Type. 

 D. ins. 



Fig. 35. 



J>ipJilogana Ttf.^icrus. ^ . Bolivia. Verrea\ix. 



Key to the species. 



A. Centre of crown metal]ic-blue, forehead and sides of crown metallic orange-scarlet. 



a. Back chestnut-red.- 1. D. iris. 



b. Back green. 2. D. hesperus. 



Still continuing with the straight long-billed birds, we come now to some of the 

 most gorgeously plumaged species in tlie family. The present genus contains some 

 that are remarkable for the diverse metallic hues'of blue and scarlet observed on 

 the head. The females are entirely different, having a metallic-green and chestnut 

 plumage, and for a long time were deemed to represent a different species. 



1. ^Diphlogaena iris. 



Helianthea iris, Gould, P. Z. S. (1853), p. Gl, pi. &g. 1 ■£ •— Bon., Rev. and Mag. Zool. (18.'')-1). p. 2.it. 

 Diphlogcma iris, Gould, Mon. Troch., vol. iv, ,pl. 247. — Id., lutr. Troch., octavo ed., p. 133 (18G1). — MuLS., 



Hist. Nat. Ois. Mouch., torn, ii, p. 302. 

 Helianthea aurora, Gould, P. Z. S. (1853), p. 61, pi. fi.q-. 2 9 .—Bon., Rev. .and M.ag. Zool. (1854), p. 251.— 



Cab. and Hein., Mus. Hein. Th.. iii, p. 80 (note 6) (1860). 

 ITypodirysia aurora, Reich., Aufz. der Oolib., p. 9. — Id., Troch. Enum., p. 6 (1855) J. 



Hypochrysia iris, Reich., Aufz. der Colib., p. 9 (1853).— Id., Troch. Enum., p. 6, t. 735, figs. 4685-86 (1855). 

 Hypochrysia aurora, Reich., Aufz. der Colib., p. 9, J, (1853). 



Leadbeatera warszewiczii, Reich.. Aufz. der Colib., 9, p. 9.— Id., Troch. Enum., p. 6, t. 690, fig. 4526 (1855). 

 Cceligena warszeioiczii, Reich., Aufz. der Colib. (1853), p. 23, 9- 



Diplilogcena aurora, Gould, Moil Troch., vol. iv, pi. 248. — Id., Iiitr. Troch., octavo ed., ;>. 134, 9. 

 La Diphloghie aurore, Muls., Hist. Nat. Ois. Mouch., touL ii, p. 303, 9. 



