PARASITES AND PARASITOSIS 



OF THE 



DOMESTIC ANIMALS 



THE ZOOLOGY AND CONTROL OF THE ANIMAL 



PARASITES AND THE PATHOGENESIS AND 



TREATMENT OF PARASITIC DISEASES 



BY 



B. M. UNDERHILL, V.M.D. 



PROFESSOR OP PARASITOLOGY AND INSTRUCTOR IN ZOOLOGY AND 

 HISTOLOGY, SCHOOL OF VETERINARY MEDICINE, UNIVER- 

 SITY OF PENNSYLVANIA, ZOOLOGIST, DIVISION OF 

 LABORATORIES, PENNSYLVANIA STATE 

 BUREAU OP ANIMAL INDUSTRY 



WITH 180 ILLUSTRATIONS 



2fsm ^ork 

 THE MACMILLAN COMPANY 



1920 



All rights reserved 



