126. DiscuRA. 431 



f. c? ad- sk. Santa Fe/Panama (Arcf). Sahin-Godman Coll. 



,/. c? ad. ; k, I. 5 Colombia (Bogota make). Salvin-Ciodman & 



ad. sk. Gould Colls. 



711. 2 ad. sk. Baisa, Ecuador (^Buckley). Salvin-Godman Coll. 



n. S ad. ; 0. Juv. Citado, Ecuador {Buckley). Gould Coll. 



sk. 



p-r. 2 ad. sk. Quito, Ecuador. Gould Coll. 



s, t. Juv. sk. Ecuador. Salvin-Godman Coll. 



u. (S ad. sk. Chimbo, Ecuador, Jan. (Stolz- Salvin-Godman Coll. 

 tnann). 



4. Prymnacantha letitise. 



Trocbilus letitise, Boitrc. Ann. Sc. Phys. et Nat. Lyon, (2) iv. p. 143 



(1852). 

 Gouldia letitise, Reich. Atifz. d. Col. p. 12 ; Bp. Rev. Zool. 1854, 



p. 257 ; Gould, Mon. Troch. iii. pi. 130 (Sept. 1855) ; id. Iiitr. 



Troch. p. 86 ; BUiot, Syn. Troch. p. 189. 

 Prymnacantha letitiaB, Cub. i§- Heine, Mus. Hein. iii. p. G4. 

 Mellisuga letitise, Muh. Sj- Verr. Class. Troch. p. 79. 

 Mythiuia letitise, Mtils. Hist. Nat. Ois.-Mouches, iii. p. 245. 

 Mytinia letitise, Muls. Ann. Sac. Linn. Lyon, xxii. p. 224. 



Adult male. Similar to that of P. langsdorffi and P. conversi, but 

 with the back, especially the shorter upper tail-coverts, more brouzy, 

 the pectoral spot whitish, and the abdomen dusky washed with 

 green ; tail much shorter, the central rectrices longer, the lateral 

 much wider, and aU of them purple-black instead of steel-blue, the 

 shafts beneath being white. Total length about 3"5 inches, wing 

 1-5 ; tail, central rectrices 0'55, lateral 1-35 ; bill 0-55. 



Hab. Bolivia. 



a. cJ ad. sk. [Bolivia] {ex Bourcier). Gould CoU. (Tj-pe of 



the species ?) 



126. DISCURA. 



Type. 

 Platurus, Less. Hist. Nat. Ois.-Mouches, p. xxii (1829) 



{nee Latr. ) D. longicauda. 



Trochilus (Ocreatus), Gould, P. Z. S. 1846, p. 86 ... . D. longicauda. 



Discosura, Bp. Consp. Av. i. p. 84 D. longicauda. 



Discura, Reich. Aufz. d. Col. p. 8 D. longicauda, 



Range. Southern Brazil. 



1. Discura longicauda. 



Trochilus longicauda, Gm. Syst. Nat. i. p. 498 ; Gray, Hand-l. B. i, 



p. 144. 

 Trochilus platurus, Lath. Ind. Om. p. 317 ; Vieill. N. Diet. dHist. 



N. vii. p. 370 ; id. Enc. Meth. p. 569 ; Wied, Beitr. iv. p. 96 ; Less. 



hid. Gen. Troch. p. xsiv ; Cab. in Schonib. Guiana, iii. p. 709. 

 L'Oiseau-Mouche a raquettes, Aud. Ois. Dor. i. p. ll7, pi. 52. 

 Omismya platura, Less. Hist. Nat. Ois.-Mouches, pp. xxii, 136, pi. 40 ; 



id. Stippl. Ois.-Mouches, p. 159, pi. 31. 



