THE 



INTERNAL PARASITES 



or our 



DOMESTICATED ANIMALS; 



MANUAL OF THE ENTOZOA OF THE OX, 

 SHEEP, DOG, HORSE, PIG-, AND CAT. 



BY 



T. SPENCER COBBOLD, M.D., F.R.S., F.L.S., 



PROFESSOR IN THE ROYAL VETERINARY COLLEGE, AND LECTURER ON PARASITES AND 

 PARASITIC DISEASES AT THE MIDDLESEX HOSPITAL. 



LONDON: 

 THE FIELD" OFFICE, 346, STRAND, W. 0. 



■'' 1873. 



