15 



SANITARY 

 ENTOMOLOGY 



THE ENTOMOLOGY OF DISEASE, 

 HYGIENE AND SANITATION 



EDITED BY 



WILLIAM DWIGHT PIERCE, Ph.D. 



Consulting Entomologist, formerly Entomologist Southern Field Crop 



Insect Investigations Unittd States Department 



of Agriculture, Bureau of Entomology 



BOSTON 



RICHARD G. BADGER 



THE GORHAM PRESS 



