THE TENT CATERPILLAR PARASITE. 



11 



are some, like the Blue Jay and the Cuckoos, which devour 

 them eagerly. In one case a Cuckoo was seen to eat twenty- 

 seven caterpillars, one after the other, at one time, all taken 

 from a single nest. 



FlO. 12. — Veilow-billed Cuckoo. 



