No. 530] RELATIVE CONSPICUOUSNESS OF FOWLS 1 11 



out that Davenport's data are fragmentary not alone in 

 respect to the small number of deaths (eliminations in 

 the technical sense) involved, but also because these 

 deaths were due to but a single one of the natural ene- 

 mies of poultry, namely the crow. There are, of course, 

 many others. Under the conditions prevailing on or 

 about the poultry plant of which the writer has charge 

 the following animals are regular or occasional destroy- 

 ers of young chicks: Rats, skunks, foxes, crows, hawks, 

 cats. 3 



In different seasons the relative importance of these 

 different enemies varies. Thus in the breeding season of 

 1908 many birds were killed by foxes. In 1909, the year 



3 To this list one feels tempted to add that species of vermin which is 



