Bui. 671, U. S. Dept. of Agnculturs. 



Plate I. 



Fig. 1.— Comb Containing Brood Dead of European Foulbrood. 



About natural size. (Original.) 



Fig. 2.— Comb Containing Brood Dead of American Foulbrood. 



About natural size. (Original.) 

 EUROPEAN AND AMERICAN FOULBROOD. 



