76 PROTOZOA AND DISEASE 



be referred it is, in the still imperfect state of knowledge, impossible 

 to say. 



At one time I based my belief that certain bodies that occur in 

 sarcoma and cancer were protozoa on the ground of their identity 

 with one or other of the forms of these bodies in the disease under 

 consideration. This support is now not required for my view of the 

 bodies in cancer, but rather the converse. 



