THE ENGLISH SPARROW AND ITS ALLIES 313 



cause is the shotgun in the hands of boys and thoughtless 

 men, and of those who gather birdskins to meet the demand 

 for bonnet u ornaments." Very great destruction is also 

 caused by egg-collectors, who annually gather scores of 



FIG. 294. Hesperornis regalis. The restored skeleton. After Marsh. 



thousands of eggs, often of rare birds. The disastrous 

 results of killing birds need only to be appreciated in 

 order to put a stop to this destructiveness. 



Extinct Birds. The destruction of species of birds 

 goes on fast enough without the more efficient aid of man. 



