Bui. 29, Biological Survey, U. S. Oc-pt. of Agriculture 



Frontispiece 



- ;9o 7 - 



TWO IMPORTANT ENEMIES OF THE BOLL WEEVIL 

 [Top figure, male Baltimore Oriole; middle figure, male Orchard Oriole; 



bottom figure, female Orchard Oriole.] 



/• MC.IN 6 ::ci i»AL.TiMC ,.1: 



