52 Gene?ri of Humming Birds. 



La Microchere a petit bee, Muls. Hist. Nat. Ois. Mou., 1876, 

 vol. Ill, p. 137. 



Habitat. — Costa-Rica, Nicaragua. 



Male.— Grown silky snow-white. Upperside shining reddish- 

 purple. Throat, breast, abdomen and flanks, dark reddish-pur- 

 ple, slightly greenish on chin. Undertail-coverts white. Median 

 rectrices light bronze, blackish at tips ; lateral white at base, 

 rest brownish black edged with white. Wings purple. Bill 

 black. 



Total length, 2 ^in.: Wings,! \. Tail, -. Culmen, |-. 



Female. — Upperside bronzy-green. Underside white. 

 Middle rectrices bronze-green, rest white with a subterniinal 

 black bar. Bill black. 



It is a very rare species. I have only two specimens, one col- 

 lected by M' Belt at Ghontales (Nicaragua), and the other col- 

 lected by M'Zeledon at limon (Costa-Rica). 



Genus XXVI. Bellona, Muls and Verr. Class. Troch., 

 1865, p. 75. 



Type : T. cristatiis, Linue. 



Bill straight about as long as the head. Feathers of the fore- 

 head covering one half the length of culmen. Nostrils hidden. 

 Head covered with a broad pointed crest. Underside dull. 

 Wiugs long. Tail short and rounded. Feet small. Tarsi 

 naked. Sexes unlike. 



Habitat. — West Indies. 

 75. Bellona cristata, Linne. Syst. Nat., 1766, vol. I, p. 19^. 



Trochilus puniceus, Gmel. Syst. Nat., 1788, t. I, p. 497. 



Mellisuga cri&lata., Gray. Gen. Birds., vol. I, p. 113. 



VOiseau mouche huppe. Less. Ois. Mou., 1829, p. 113. 



Ornismya 'crlstata, Less. Troch., 1831, p. 20, 



Orthorhynchus cristaius, Bon. Gonsp. Gen. Av., 1850, 

 p. 83. 



Orthorhynchus ornatus, Gould. Mon. Troch., vol. IV, p. 206. 



Blue Crest, Gould. Mon. Troch., vol. IV, p. 206. 



La Bellonc a hujJpe bleue, Muls. Hist. Nat. Ois. Mou., 1876, 

 t. Ill, p. 194. 



Habitat. — Saint- Vincent, Barbadoes, Martinique, Grenada. 



Male. — Forehead and crown metallic golden-green changing 

 into deep purplish blue on the lengthened crest feathers, which 

 in some specimens are amply furnished and extend to the mid- 

 dle of back. Upperside dark green, nearly black on sides and 

 back of crest. Tail purplish-black with a greenish tinge on 



