91. OREOTROCHILUS. 335 



the white of the under surface becomes purer as maturitx' is 

 acquired. 



Hah. Andes of Ecuador, on the volcanoes of Pichincha and 

 Cotopaxi at high elevations. 



a. (S ad.; b. 5 ad. Volran de Pichincha, Ecuador Salvin-Godman Coll. 

 sk. (FiYiser). 



c. $ ad. sk. RucoPichincha,May(-Fr«««-). Sclater Coll. 



d. S ad. sk. Pichincha (Buckley). Salvin-Godman Coll. 

 e-p. cJ ad. ; q-u. Ecuador. Gould Coll. 



S juv.; v-y.'^ 



ad. sk. 

 z, a'. (S ad. sk. Ecuador. Salvin-Godman Coll. 



v. S ad, St. J. Bourcier [P.]. 



(Probahly a typical specimen.) 



d" ad. ; d'. $ Purchased. 



ad. St. 



2. Oreotrochilus chimborazo. 



Trochilus chimborazo, Belattre iS- Bourc. Bev. Zool. 1846, p. 305. 



Oreotrochilus chimborazo, Gould, P. Z. S. 1847, p. 10; id. M<m. 

 Troch. ii. pi. 69 (Nov. 1851) ; id. Intr. Troch. p. 62 ; Bp. Consp. 

 i. p. 76; id. Bev. Zool. 1854, p. 250; Beich. Aufz. d. Col. p. 15; 

 Fraser, Ibis, 1859, p. 208; Jameson Sf Frasev, Ibi's, 1859, p. 399; 

 Scl. P. Z. ,S. 1860, p. 79; id. Cat. Am. B. p. 290 ; Cab. ^- Heine, 

 Mus. Hein. iii. p. 15 ; Mids. ^ Verr. Class. Troch. p. 47 ; Gray, 

 Hand-l. B. i. p. 123; Muls. Hist. Nat. Ois.-Mouches, ii. p. 166, 

 pi. 42, iv. p. 204; id. Ann. Soc. Linn. Lyon, sxii. p. 211 ; Elliot, 

 Syn. Troch. p. 35; Eudes-TJesl. Ann. Mus. Caen, i-. p. 172; Tacz. 

 8f Berl. P. Z. S. 1885, p. 102. 



Adult male. Very similar to that of 0. picliinclm, but with a 

 large patch of shining green on the throat, just above the black 

 border which divides the blue throat from the white breast. 



Adult female. Undistinguishable from that of 0. pichincha. 



Hah. Andes of Ecuador, on the volcano of Chimborazo at a high 

 elevation , 



a. c?ad. ; b. 5 ad. Panza, Chimborazo, Ecua- Sclater Coll. 



sk. dor, Jan. (Fraser). 



c. c?ad.; d $ad. sk. Chimborazo (i^mser). Salvin-Godman Coll. 



e,f. d ad. sk. Chimborazo (Buckley). Salvin-Godman Coll. 



ff. (S ad.; h. $ ad. sk. Cliimborazo. Purchased. 



i-n. cJad. ; o-r. ^ Ecuador. Gould Coll. 



ad. sk. 



3. Oreotrochilus estellae. 



Trochilus estellae, d'Orb. ^- Lafr. Syn. Av. ii. p. 32. 



Orthorhynchus estellje, d^Orb. Voy. Am. Mer. iv. p. 376. 



Trochilus ceeilife, Less. Bev. Zool. 1839, p. 43. 



Oreotrochilus estelh-E, Gould, P. Z. S. 1847, p. 10 ; id. Mon. Troch. 

 ii. pi. 70 (June 1849) ; id. Intr. Troch. p. 63 ; Bp. Consp. i. p. 76; 

 id. Ben. Zool. 1854, p. 250 ; Beich. Aufz. d. Col. p. 15 ; Muls. 4 

 Ven: Class. Troch. p. 47 ; Scl. 8r Salv. P. Z. S. 1867, p. 987, 1868 

 p. 569, 1879, p. 627; FUiot, Ihis, 1877, p. 142; id. Syn. Troch 



