194 



SEXUAL SELECTION: BIRDS. 



[Part 11. 



first plumage are said to resemble the mature male." 

 There is also reason to believe that the male undertakes 

 the duty of incubation, for Mr. Swinhoe '" found the fe- 



FiG. 60.— Rhynchaea capcnsis (from Brehm). 



males before the close of the summer associated in flocks, 

 as occurs with the females of the Turnix, 



The females of Phalaropus fidlcariiis and P. hyperho- 

 reics are larger, and in their summer plumage " more gayly 



'8 'The Indian Field,' Sept. 1858, p. 3. 

 '9 ' Ibis,' 1 8G6, p. 298. 



