EVEN-TAILED AMETHYSTINE HUMMING-BIRD. 87 



of the neck in a crescent form, and this is again bor- 

 dered with a band of deep brown, assuming a green- 

 ish tinge as it comes upon the back. The flanks and 

 lower tail- co verts are deep cinnamon-red, and the 

 centre of the belly is pure white, exhibiting a very 

 marked contrast. The tail, in the form of which it 

 differs so much from the other two, is ample, and 

 perfectly square : the feathers are of a golden-green 

 above, black at the ends, except the two on the out- 

 side, which are tipped with white. 



In a young specimen figured by M. Lesson, the 

 bright patch on the throat is nearly pure white, ha- 

 ving the centre of the feathers slightly marked with 

 a greenish tinge. It differs also in the centre of the 

 belly, and under tail-coverts, being pure white, in- 

 stead of the rich cinnamon of the adults. 



M. Lesson has also figured the beautiful nest of 

 this species : it is compactly built upon the sprig of 

 a passion-flower, and is composed of cotton, fortified 

 on the outside by lichens, and by slender roots. 



This species is a native of Cayenne. The next 

 we shall mention has been found in the mountainous 

 provinces of Brazil : it is the 



