19. HYPUEOPTILA. 87 



length about 4-3 iaches, wiug2--l:; tail, central rectrices 115, lateral 

 1-55 ; bill 0-8. 



Achdt female. Upper surface shining golden grass-green, bluer 

 on the crown and upper tail-coverts ; under surface dusky white ; 

 central rectrices steel-blue, lateral whitish towards the base and at 

 the tip, and with a wide subterminal steel-blue band. 



The locality " Brazil " formerly given for this species is most pro- 

 bably erroneous. It rests on no satisfactory authority. 



Thalurania bicolor is a somewhat abnormal species, having the 

 nasal covers less feathered than in more ty]3ical TJialumnia', 



Hah. Dominica Island, West Indies. 



a, h. S ad. sk. Dominica, West Indies (jf^. A. Salvin-Godman & 



Ober). Sclater Colls. 



0. S ad. sk. Dominica, Jan. {Eaviage). West India Expl. 



Comm. 

 d-h. d'ad. ; i. 2 "Brazil." Salvin-Godman & 



ad. sk. Gould CoUs. 



19. HYPUROPTILA. 



Type. 

 Agyrtria S. Chalybura, Reich. Aufz. d. Col. p. 10 



(1854) : H. buffoni. 



Hylocharis S. Chalybura, Reich. Aufz. d. Col. 



p. 10 (1854) H. cferuleiventris, 



Hvijuroptila, Gould, 3Ion. Troch. ii. pi. 89 (May 



1854) H. bufioni. 



Chalybura (Metbon), Mids. Ann. Soc. Linn. Lyon, 



xx'ii. p. 203 (1875) H. cferuleiventris. 



lianr/e. Central America from Nicaragua to Panama ; Colombia 

 and Venezuela. 



Key to the Species. 



a. Mandible black ; under tail-coverts long. 



«'. Under surface green buffoni, p. 87. 



b'. Under surface blue cfpndeivetitrii', p. 88. 



b. Mandible (except at the tip) ilesh-colour ; 



under tail-coverts shorter. 

 c'. Under tail-coverts white. 



a''. Throat green uroclirysea, p. 89. 



b". Throat bluish green isaurm, p. 89. 



d'. Under tail-coverts pui-ple-black mekiiion-hoa, p. 90. 



1. Hypuroptila buffoni. 



Trochilus buffoni, Less. Hist. Nat. Troch, p. 34, pi. 15. 



Lampornis buffoni, Bjh Consp. i. p. 72 ; id. Rev. Zool. 1854, p. 250; 



Muls. Hist. Nat. Ois.-Momhes, i. p. 170. 

 Hypm-optila butfoui, Gould, Mon. Troch. ii. pi. 89 (May 1854). 

 Agvrtria S. Chalvbm-a h\\fii:m, Reich. Aufz. d. Co/, p. 10; id. Troch. 



i:«Mm. p. 7, pl.'766. tf. 4773-74. 



