SMALLPOX, SYPHILIS, CANCER, ETC. 199 



From a colloid cancer of the peritoneum Gaylord obtained 

 crowds of such greenish bodies, which he found not to 

 consist of fat, and he placed them in tubes in an incubator 

 in the peritoneal fluid. The changes he observed in these 

 bodies were : 1, increase in size with change from a homo- 

 geneous to a granular state with loss of the green colour ; 

 2, Brownian movement of their granules ; 3, formation of 

 pseudopodia ; 4, the formation of nuclei in the previously 

 akaryote bodies. It may be noted that 3 corresponds with 

 the body, Fig. 55, 11, in a section of a choriocarcinoma, and 

 4 with a similar appearance of nuclei in Plassomyxa cont. 

 Fig. 31, 6 and 7. 



Gaylord injected some of his cultures into the peritoneum 

 of dogs and guinea-pigs, and relates that he obtained in 

 sSome cases cancerous growths, in others peritonitis. 



Besides the endogenous cycles in cancer the parasites 

 would appear also to have an exogenous period in some 

 instances. Such a condition is most likely to be found in 

 epidermal cancer. With material from the secondary growth 

 over the parotid mentioned above I made a water-culture 

 which remained free from bacteria for several days. Water- 

 mounted fragments showed a surprising variety of encap- 

 suled and other protist-like forms, which were entirely 

 concealed in sections. On the 9th day what looked like 

 small zoospores developed from clusters of round homo- 

 geneous globules : I hope to repeat this observation. 



Plassomyxa forma-maligna. W T hen we examine a section 



