79. CLYTOL^MA. 311 



4. Delattria hemileuca. 



Oreopvra hemileuca, Sah. F. Z. S. 1804, p. 584; Lmur. Ann. Lye. 



N. Y. ix. p. 12o ; V. Frantz. J.f. Orn. 1869, p. 310; Muk. Hkt. 



Nat. Ois.-Moiiches, iv. p. 187, pi. 118; id. Atin. Soc. Linn. Lyon, 



xxii. p. 203 ; Boucard, P. Z.^S. 1878, p. 79 ; Eudes-Desl. Ann. Mus. 



Caen, i. p. 237. 

 CcBligena hemileuca, Elliot, Syn. H. Birds, p. 31. 

 Trochilus hemileucus, Gray, Hand-l. B. i. p. 138. 



Adult male. Upper surface, including the central tail-feathers, 

 grass-green, the latter tinged with bronze ; crown glittering green ; 

 the nape in certain lights black ; a long white postocular stripe ; 

 throat glittering green, with a large central blue patch ; rest of the 

 under surface white ; flanks green ; centres of the under tail- 

 feathers greyish ; lateral rcctrices greyish green, with a dark sub- 

 terminal bar, bill black. Total length about 4 inches, wing 2*4, 

 tail 1-5, bill 0-9. 



Adult female. Like the male, but with the crown less glittering ; 

 the throat white, with a few small green spots and no blue patch ; 

 the lateral rcctrices paler at the tip. 



Hah. Costa Rica. 



a,h, (^ ad.;c;d. Turrialba, Costa Rica (^. ^/-ce). Salvin-Godman Coll. 



2 ad. sk. 

 e. (S ad. sk. Tucurriqui, Costa Rica (ArcS). Salvin-Godman Coll. 



(Types of the species.) 

 /-/«. d ad ; i. $ Costa Rica. Gould Coll. 



ad. sk. 



79. CLYTOL.aEMA. 



Type. 

 Clytolffima, Gould, Mon. Troch. iv. pi. 249 (Oct. 1853). C. rubinea. 

 Polyplancta, Ueine, J.f. Orn. 1863, p. 182 C. am-escens. 



Range. Upper Amazons Valley and Eastern Brazil, 



Key to the Species. 



a. Breast and a patch on the crown ghttering green ; 



a coppery-red gular spot rubinea, p. 311. 



b. Breast chestnut ; a patch on the crown glittering 



violet ; no gular spot aurescens, p. 313. 



1. ClytolaBina rubinea. 



Mellisuga brasiliensis gutture rubro, i?/-/,ss. Orn. iii. p. 720, pi. 37. 



f. 4. 

 Oiseau-Mouche a gorge rouge du Bresil, Buff". Pi. Enl. 276. f. 4. 

 Rubis emeraude, Buff. Hist. Nat. Ois. vi. p. 31. 

 Rubj'-throated Humming Bird, Latli. Syn. i. pt. 2, p. 768. 

 Duskj'-crowned Humming Bird, Lnt/i. Syn. i. pt. 2, p. 776. 



