125. PRTMNACANTHA. 429 



to form a long crest ; throat glittering green ; breast and middle 

 of the abdomen black, sides of the abdomen sooty, the flanks 

 washed with green ; under tail-coverts blue, edged with white ; 

 tibia? dark rufous ; tail steel-blue, the shafts jjure white ; bill black. 

 Total length about 4-8 inches, wing 1-35 ; tail, central rectrices 

 0-55, lateral 2-7 ; bill 0-6. 



Female. Crown dark green ; throat white, each feather broadly 

 edged with black ; breast and middle of the abdomen black, a large 

 white patch on the flanks ; lateral rectrices shorter than the central, 

 tipped with white. 



Hab. Colombia, Ecuador, and Peru, 



a-h. S ad. ; i, j. Colombia (Bogota make). Salvin-Godman & 



$ ad. sk. Gould Colls. 



k. (S ad. sk. Ecuador. Sahnn-Godman Coll. 



l. (S ad. sk. [Ecuador.] Gould Coll. 



711. 2 ad. sk. Peru ? ( Warszewiez ?). Gould Coll. 



)i. $ ad. sk. " Rio." Gould Coll. 



2. Prymnacantha langsdorffi. 



Trochilus langsdorffi, Bonn. ^ Vieill. Enc. Meth. ii. p. 574 (1794) ; 



Temm. PL Col. 66. f. 1 ; Less. Ind. Gen. Troch. p. xxxiii; Gray, 



Hand-l. B. i. p. 145. 

 Colibri hirundinaceus, 8-pLv, Av. Bras. i. p. 80, pi. 81. 

 Ornismya langsdorffi, Less. Hist. Nat. Ois.-Mouches, pp. xx, 102, 



pi. 26 ; id. Suppl. Ois.-Mouches, p. 129, pi. 16 : id. Hist. Nat. 



Tivch. p. 101, pi. 35. 

 Orthorhynchiis langsdorffi, Less. Man. Orn. ii. p. 77. 

 Gouldia langsdorfii, Bp. Consp. Av. i. p. 86 ; id. Rev. Zool. 1854, 



p. 257 ; Beich. Aiifz. d. Col. p. 12 ; id. Troch. JEnum. p. 9, pi. 816. 



tf. 4908-10 ; Gould, Mon. Troch. iii. pi. 128 (May 1854j ; id. Intr. 



Troch. p. 86 ; Des Mtirs in Cast. Voy. i. p. 41 ; 'Burm. Syst. Ueb. 



ii. p. 357; Scl. Cat. Am. B. p. 296; Scl. %■ Salt: P. Z. S. 1867, 



pp. 753, 979 ; Pelz. Om. Bras. p. 32 ; Tacz. Orn. Per. i. p. 304. 

 Prymnacantha langsdorffi, Cab. 8f Heine, Mm. Hein. iii. p, 65 ; Muls. 



Hist. Nat. Ois.-Mouches, iii. p. 238, pi. 94; id. Ann. Soc. Linn. 



Lyon, xxii. p. 223. 

 MeUisuga langsdorffi, Muls. ^- Verr. Class. Troch. p. 79. 

 Gouldia melauosternon, Goidd, Ann. Sf Mag. N, H. 1868, i. p. 323 ; 



Scl. ^- Salv. P. Z. S. 1873, p. 288. 

 Trochilus melauosternon, Gray, Hand-l. B. i. p. 146. 



Adult male. Upper surface shining grass-green, more bronzy in 

 the middle of the back ; a white transverse band across the rump ; 

 upper tail-coverts like the back ; crown glittering green ; under 

 surface as far as the breast glittering green, below which are a few 

 fiery-red glittering feathers ; middle of the abdomen black, on either 

 side a large greyish-white patch ; flanks washed with green ; tail 

 steel-blue, the two lateral rectrices on either side greyish, the shafts 

 of all white ; bill black. Total length about 5 inches, wing 1-45 ; 

 tail, central rectrices 0-4, lateral 3 ; bill 0"55. 



Female. Crown dark green ; upper part of the throat black, lower 



