432 THOCHILI, 



Trochiliis bilophus, Tcmm. PL Col. 18. f. -S. 



Ti'dchilus (Ocreatus) lig-ouiciuidii8, Gould, F. 'A. 8. 1840, p. sr?. 



Discosura liironicauda, lip. Conap. Ac. i. p. 84. 



Di.scura lonijicauda, Reich. Aiifz. d. Col. p, 8 ; id. Track. Enum. p. 8, 



pi. 70G. ff. 4591-2 ; Bp. Het: Zool. 18-54, p. 256 ; Gould, Mon. 



Track, iii. pi. 12ti (Sept. 1858); id. tntr. Track, p. 85 ; Cab. Sf 



Heine, Mus. Hein. iii. p. 65 ; Scl. Cat. Am. B. p. 296 ; Mills. ^ 



Verr. Class. Track, p. 80; Muh. Hist. Nat. Ois.-Mouckes, iii. 



p. 248 ; id. Ann. Soc. Linn. Lt/an, xxii. p. 224; Elliot, Syn. Track- 



p, 140 ; Sale. Cat. Strickl. Coll. p. 364. 

 Platurus lougicaudus, Burm. Syst. Ueh. ii. p. 358. 

 Discura platura, Reick. Aufz. d. Col. p. 8 ; id. Track. Enum. p. 5, 



pi. 706. ff. 4594-5. 

 Discura sp., Salo. Ibis, 1885, p. 434. 



Adult male. Upper surface shining grass-green, tinged with 

 bronze in the middle of the back ; crown, throat, and breast glitter- 

 ing grass-green ; a pectoral spot of more glittering feathers, each 

 edged with white ; middle of the abdomen rich bronze, each feather 

 with a black edge ; flanks green ; tail dark purple, the shafts buff, 

 the spatules of the lateral rectrices darker and bluer ; bill black. 

 Total length about 4 inches, wing 1-7 ; tail, central rectrices 0-65, 

 lateral 2 ; bill 0-55. 



Female. Crown dark green; throat black, bordered with a white 

 maxillary stripe ; lateral rectrices greyish at the base and tipped 

 with buff. 



Hah. Guiana and Brazil. 



a. cjad.sk. Carimang R., Brit. Guiana, Jan. Sal vin-Godman Coll. 



{h. Wkitely). 



b. cJad.sk. AtapurowR., Brit. Guiana, Jan. Sahiu-Godmau Coll. 



(H. W.). 

 c-e. S ad. sk. (Cayenne make). Gould Coll. 



/. cj ad.; g. $ Bahia {Wuckerei-), Salvin-Godman Coll. 



ad. sk. 

 h. c? ad. ; i. S Bahia. Gould CoU. 



juY.; ./. $ ad. 

 sk. 

 k. S ad. sk. Bahia. E. Fielding, Esq. 



[P.]. 

 l.m. 2iuv.sk. fBrazil.] Salvin-Godmau & 



Gould Colls. 

 n. Juv. St. Purchased. 



127. HELIACTIN. 



Type. 



Heliactin, Boie, Isis, 1831, p. 546 H. cornuta. 



Heliactinia, Reich. Aufz. d. Col. p. 12 H. cornuta. 



Heliactinus, Burin. Syst. Ueb. ii. p. 356 H. cornuta. 



Ranrje. Southern Brazil. 



