262 BEACH GRASS 



shield on his belly, a color that ought not to be 

 there according to the concealing colorationists. 

 In the same way the merganser drake displays his 

 splendid white shirt-front with its delicate tinge 

 of salmon pink. 



The male bittern, as he strides about, extends 

 the fluffy white feathers from under the wings in 

 striking display. The male blue-headed vireo 

 puffs out the yellow flank feathers till he seems 

 nearly double the size of the slender female, and 

 the myrtle warbler droops his wings to display 

 his yellow rump and puffs out the yellow and 

 black feathers on his sides. 



The black guillemot as he curtesies to the 

 female in the water opens wide his mouth and 

 displays for her admiration the scarlet lining. 

 The display of the inflated orange-colored neck- 

 sake of the heath hen is but a small part of the 

 remarkable courtship display of this bird. 



The black duck and the domestic pigeon in 

 the ardor of courtship take short flights by the 

 females and the white lining of their wings be- 

 come momentarily in evidence. The golden-eye 

 drake displays from time to time his brilliant 



