AVES TROCHILID^. 



731 



by a flower, its tail is constantly expanded and shut like a fan, the body 

 being kept in a nearly vertical position." 



Fig. 376. Patagona gigas, adult female. Natural size. 



"The nest," Gould states,^ "is deep in proportion to its width; exter- 

 nally three inches and a half deep ; internal depth a little under one inch 

 and three quarters ; width, within, one inch and two tenths ; mouth slightly 

 contracted. Externally it is formed of fine fibrous grass woven together, 



'Voyage of Beagle, Birds, p. 112, 1841. 



