1. HELIOTHRIX. 31 



Bp. Consp. Av. i. p. 69 ; id. Rev. Zool. 1854, p. 251 ; Gould, Mon. 



Troch. iv. pi. 213 (Oct. 1853); id. Inti: Trock.^. 121 ; id. P. Z. S. 



1870, p. 803 ; Eeich. Aufz. d. Col. p. 13 ; Des Murs iti Cast. Vmj. i. 



p. 38 ; Cab. ^ Heine, Mm. Hein. iii. p. 28 ; Sol. Cat. Am. B. 



p. 305 ; Muh. Sf Verr. Class. Troch. p. 58 ; Gray, Hand-l. B. i. 



p. 103 ; Scl. ^- Salv. P. Z. S. 1867, pp. 584, 979, 18G8, p. 169, 



1873, p. 288 ; Pelz. Orn. Bras. p. 34 ; imtehj, P. Z. S. 1873, 



p. 189; Muls. Hist. Nat. Ois.-Mouches, ii. p. 237, iv. p. 207; 



id. Ann. Soc. Linn. Lyon, xxii. p. 214 ; Elliot, Syn. Troch. 



p. 174 ; Salv. Cat. Strickl. Coll. p. 366 ; id. Ibis, 1885, p. 434 ; 



Berl. J.f. Orn. 1887, p. 319. 

 Orriismya nigrotis. Less. Siipjjl. Ois.-Mouches, p. 97. 

 Trochilus nigrotis, Less. Ind. Gen. Troch. p. xx. 

 Heliothrix nigrotis. Gray, Gen. B. i. p. 115; Bp. Consp. Av. i. p. 69; 



Pelz. Orn. Bras. p. 34. 

 Heliothrix longirostris, Gould, P. Z. S. 1862^ p. 124 ; Gray, Hand-l. 



B. i. p. 153. 



Adult male. Upper surface shining golden green, glittering on the 

 crown and on the sides of the throat from the base of the mandible ; 

 lores and ear-coverts jet-black, a post-auricular patch glittering 

 blue ; entire under surface and the two lateral rectrices on either 

 side pure white ; four median rectrices black ; bill black. Total 

 length about 4-5 inches, wing 2-4, central rectrices 1-9, lateral 1*25, 

 bill 0-95. 



Adult female. Like the male, but the crown shining green like 

 the back ; no glittering green on the sides of the throat nor glitter- 

 ing blue post-auricular patch ; throat and chest spotted with dusky : 

 tail long (central rectrices 2-9, lateral 1'55) ; lateral rectrices with a 

 transverse black bar near the base. 



Young males resemble the female, but have no dusky spots on the 

 throat and no black transverse bar at the base of the lateral rec- 

 trices : the feathers of the crown are generally edged with rufous. 



Hah. South America, from the eastern side of the Andes to the 

 mouth of the Amazon ; Guiana and Venezuela. 



a. c? ; 6- 2 ad. sk. Quito, Ecuador. Gould Coll. 



c, d. cJad. sk. Rotimo, Ecuador {BucMey). Gould Coll. 



^- (?;/•$ ad. sk. Cauelos, Ecuador (-BmcA-Zp?/). Gould Coll. 



g. (S ; h-j. 2 ad. Sarayacu, Ecuador {Buckley). Salvin-Godman & 



sk. Gould CoUs. 



k,l. (S; m, n. J Ecuador. Gould Coll. (Types 



ad. sk. of H. longirostris, Gould.) 



o-q. S; r, s. 2 Pebas, Amazons, Mar. & April Salvin-Godman & 



ad. sk. (Haurwell). Gould CoUs. 



t. (S juv. sk. Guia, Upper R. Negro, Nov, Salvin-Godman Coll. 



( Wallace). 



u. (S juv. sk. Para. Gould Coll. 



V. c? ad. sk. Cayenne. Gould Coll. 



w. (5; .2'. 5ad.sk. Bartica Grove, Brit. Guiana, Salvin-Godman Coll 



Aug. (H. Whitely). 



y, s, a'. d;b'. 2 Merum^ Mts., B. Guiana, Jime Salvin-Godman Coll. 



ad. sk. and July (H. W.). 



c'. 5ad.sk. R. Atapurow, B. Guiana, Jan. Salvin-Godman Coll. 



(H. W.). 



d'. S ad. sk. Venezuela ? Salvin-Godman Coll. 



e'. 5 ad. St. Purchased. 



