334 TKoruiLi. 



91. OREOTROCHILUS. 



Oreotroehilus, Gould, P. Z. S. 1847. p. 10 0. estella. 



Orotrochilus, Cab. ^ Heine, Mus. Ilcin. iii. p. lo O. pichincha. 



Range. Andes from Ecuador to Chili. 



Keij to the Species. 



a. Whole head, including the crown and throat, 

 deep shining violet-blue. 



a. Throat uniform violet-blue pichincha, p. 334. 



b'. Throat with a large central green patch .... chimborazo, p. 335. 

 h. Crown brown with a greenish tinge, tlie same 

 colour as the back. 



c'. Middle of the abdomen chestnut estellce, p. 335. 



d'. Middle of the abdomen deep blue-black. 



a". Flanks white loucopleurus, p. 3.36. 



b" . Flanks chestnut. 



a". Tail uniform greenish black melano(/aster,f.SS7. 



V" . Lateral rectrices pale buff, edged with 



bluish black adela, p. 3.37. 



1. Oreotroehilus pichincha. 



Trochilus pichincha, Bourc. &,- Muls. Mem. Acad. Sc. Lyon, v.. p. 427 



(18.50). 

 Oreotroehilus jamesoni, Jirw-fZ. Contr. Orn. 1849, p. 42, 1850, p. 27, 



pi. 43 

 Oreochilus pichincha, Bp. Consp. i. p. 71 ; id. Eev. Zool. 1854, p. 250; 



Gould, Mon. Troch. ii. pi. 68 (Nov. 1851); id. Litr. Troch. p. 63; 



Reich. Aufz. d. Col. -p. 16; Jardine, Ibis. 1859, p. 115 ; Scl. P. Z. S. 



1859, p. 79; id. Cat. Am. B. p. 290 ; Ja7neso7i l<,- Fraser, Ibis, 1859, 



p. 399 ; Cab. ^- Heine, Mus. Hein. iii. p. 15 ; Muls. (^ Verr. Class. 



Troch. p. 47 ; G)-a>/, Hand-l. B. i. p. 123 ; Muls. Hist. Nat. Ois.- 



Mouches, ii. p. 161, iv. p. 202 ; id. Ann. Soc. Linn. Lyon, x.xii. 



p. 211 ; Elliot, Si/H. Troch. p. 35; Eudes-Desl. Ann. Miis. Caen, 



i. p. 170 ; Salv. Cat. Strickl. Coll. p. 361. 



Adult male. Upper surface dull shining olive-green, the whole 

 head including the throat shining violet-blue, the latter bordered 

 below with black ; rest of the under surface white, the middle of 

 the abdomen and the flanks blackish brown ; under tail-coverts 

 brown, narrowly edged with dull white ; central tail-feathers ver)- 

 dark green, the next pair nearly white, the rest becoming darker 

 towards the outermost pair, which are steel-blue and white only on 

 the inner web towards the base ; bill black. Total length about 

 5-2 inches, wing 2-95, tail 2, bill 1. 



Adult female. Upper surface dull shining olive-green ; under 

 surface ashy, each feather edged with dull white ; throat white, 

 spotted with ashy ; central tail-feathers dark green, the rest white 

 at the base and with white tips. 



In the young male the head is dull bluish green, and the blue 

 feathers of the adult appear irregularly over the crown and throat ; 



