145 



DELALANDE'S HUMMING-BIRD. 



Trochilus Delalandii.ViEiLLO?. 



PLATE X. 



Trochilus Delalandii, Vieillot, Dictionnaire d'Histoire Na. 

 turelle;. Temminck, Planches Coloriees, pi. xviii. figs. 1, 2. 

 Le Plumet bleu Omismya Delalandii, Lesson, Histoire 

 Naturette des Oiseaux-mouches, pi. xxiii. male; pi. xiiv. 

 female. 



THIS remarkable humming-bird was discovered in 

 Brasil by MM. Delalande- and Menetrier, and has 

 been dedicated by Vieillot to the first of these natu- 

 ralists. The crown of the male is adorned with a 

 beautiful crest, composed of short feathers, with ge- 

 nerally one narrow and elongated, which rises in the 

 centre to an inch in length ; it is of a rich and deep 

 blue, tipped with white, and appears very graceful, 

 either when erected, or reclining and folded at rest. 

 Behind the eye, upon the auriculars, there is a small, 

 nearly circular patch of clear white, which forms a 

 conspicuous object. The forepart of the throat, breast, 

 and belly, are rich azure blue, surrounded with gray ; 

 the head, back, flanks, and wing coverts, bright and 



