ILLUSTRATIONS. 



PLATE. 



Page. 

 Two Important Enemies of the Boll Weevil : Baltimore Oriole and Orchard 



Oi-iole Frontispiece 



TEXT FIGUKES. 



Fig. 1. An ornamental martin house _ 10 



2. A simple martin house 1 :; H 



3. A barrel martin house H 



4. Barn swallow 13 



5. Kingbird 1^ 



6. Crow blackbird or bronzed grackle 17 



4 



