2i8 Genera of Humming Birds. 



Female. — Upperside like the male. Underside gray spar- 

 ingly washed with green feathers on breast and flanks. 



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



Young Male. — Coloured like the female with a yellowish- 

 grey throat. 



This species was dedicated by Lesson to his wife, Mrs. 

 Clemence Lesson, daughter of Mr. Dumont de Sainte Croix, 

 author of the Ornithological Notices in the Dictionary of 

 Natural Sciences. 



It is common in Mexico, where I collected many specimens 

 in the hio;h lands of that country. 



Genus LXXXIX. Delattria, Bon. Consp. Gen. Av., 1850^ 



vol. i., p. 70. 



ChariesSA, Heine, Journ. fur Ornith., 1863, p. 178. 



HiMELlA, Muls., Cat. Ois. Mouch., 1875, p. 7. 



Type : O. henrica, Lesson. 



Bill short, straight, scarcely longer than the head. Wings 

 long, reaching the end of the tail. Tail very slightly forked, 

 median rectrices slightly shorter than the lateral, all of them 

 pointed at tips. Tarsi clothed. Sexes unlike. 



Habitat. — Mexico, Guatemala and Nicaragua. 



This genus was dedicated by Bonaparte, to Delattre, the 



celebrated Traveller Naturalist. 



310. Delattria henrici, Less, and Delatt. Rev. Zool, 



1839, p. 17. 



Topaza henrici, Gray, Gen. Birds, vol. i., p. no. 

 Lamprolaema henrici, Reich., Aufz. derColib, 1853, P- 9- 

 Coeligena henrici, Cab. and Hein, Mus. Hein, i860, t. iii., 

 p. 15- 



Chariessa henrici, Heine, Journ. fur Ornith., 1863, p. 178. 



Henri Delattre's Caziqne, Gould, Mon Troch., vol. ii., 

 p. 62. 



te Coeligene de Henri, Muls., Hist. Nat. Ois. Mou., 1874, 

 t. i., p. 183. 



Habitat. — Mexico, Guatemala. 



