VARIOUS HUMAN SARCOMAS 



121 



the bodies that I regard as protozoa in this tumour, beyond men- 

 tioning that, as in the case of the myxosarcoma, I have not seen 

 them in the nuclei of the cells, and that I interpret the appearance 



,8. PERIOSTEAL SARCOMA, (i, 2, and 3, x 1,000 diameters ; 4, camera 

 drawing, x 800 diameters.) 



i, A tumour-cell containing six parasites, the largest of which contains a nucleus ; 

 2, a sarcoma-cell containing a large nucleated parasite ; the body of the para- 

 site is becoming reticulated around the nucleus ; 3, a tumour cell containing 

 many parasites in various stages : at , a cluster of minute bodies resembling 

 the larger ones in texture, etc. ; 4, a group of cells of the same tumour : one 

 cell contains one nucleated and two non-nucleated inclusions surrounded by 

 the cells derived from the periosteum. 



seen in Fig. 48 ; 3 as a subdivision of the parasites in the chromidial 

 state comparable to that seen in the sarcoma of the breast 

 (Fig. 37; 6, p. 98). 



