88 
SEXUAL selection: bikds. 
Pakt* 
males, one after the other . 82 With Birds of Paradis® 
a dozen or more full-plumagcd males congregate in ‘ l 
tree to hold a dancing-party, as it is called by tlie 
natives ; and here flying about, raising their wing 3 ’ 
Kuptcoltt crocea, male (from Brelm). 
elevating their exquisite plumes, and making the& 
vibrate, the whole tree seems, as Mr. Wallace re* 
83 ‘Journal of R. Geograph, Soc.’ vol. s. 1S40, p. 236. 
