Genera of Humming Birds. 235 



even. Rectrices of same length and pointed. Feet large. 

 Sexes nearly alike. 



Habitat. — Costa Rica. 



334. Panterpe insignis, Cab. and Hein., Mus. Hein., i860y 



t. iii., p. 43. 



Costa Rican Humming-bird, Gould, Mon. Troch., vol v.^ 



P- 336. 

 le Panterpe insigne y Muls., Hist. Nat. Ois. Mou., 1875,. 



t. ii., p. 26. 



Habitat. — Volcano of Irazu, Costa Rica, and Veragua. 



Male. — Crown of the head brilliant metallic blue. Neck 

 and upper part of back dark brownish-green appearing black 

 in certain lights, lower part of back and rump shining green.. 

 Uppertail-coverts brilliant bluish-green. Tail steel-blue. 

 Throat and sides of breast brilliant metallic gold, fiery in the 

 centre. A patch of shining metallic blue feathers in the- 

 centre of the breast. Rest of underside brilliant yellowish 

 green. Wings purpUsh-brown. Maxilla black. Mandible 

 flesh colour for half its length from the base, remainder 

 black. 



Total length, 4|in, Wing, 2|. Tail, i|. Culmen, f. 



Female. — Coloured like the male, the bill slightly longer^. 



I collected a fine series of both sexes of this magnificent 

 species on the volcano of Irazu, Costa Rica, in 1877 ; but,, 

 nevertheless, it is very rare. I know of several other col- 

 lectors who went there after me, and were glad to come back 

 with one or two specimens. It was discovered by Doctor 

 Hoffmann. 



Genus XCV. Aglaeactis, Gould, P.Z.S., 1848, p. 2. 



Aglaiactis, Cab. and Hein., Mus. Hein., i860, t. iii., p. 69. 



Type : T. cupripennis, Bourcier. 



Bill short, straight, about the length of the head. Wings 

 long, primaries falcate. Tail ample, and forked ; median 

 rectrices broad, rounded, and shortest ; laterals acutely pointed 

 at tips, each one, very slightly and gradually longer. Tarsi 

 partially clothed. Hind toe and nail longer than the middle 

 V 



