470 



THE DESCENT OF MAN 



alAough "tlie hens are followed by even half a dozen 

 their gay suitors." • 



m 



of 



mi 



The males of many birds are larger than the females, 

 and this no doubt is the result of the advantage gained by 



"Ornithological Biography, " vol. i. p. 191. For pelicans and snlpas, soe 

 toL iii. pp. 138, Wt 



