184 



PROTISTS AND DISEASE 



The photographs were taken from E. H. B. -stained 

 sections as also was the coloured plate, frontispiece to 



FIG. 53. THREE MICROPHOTOGRAPHS OF AN ALVEOLAR SARCOMA OF THE 

 BREAST. In 1 the parasite has absorbed part of the nuclear membrane 

 to which two of its tentacles are attached ; 2, a large intranuclear 

 parasite with knobbed tentacles, one spirally retracted ; 3, a nucleus 

 containing several parasites, and an extranuclear parasite sub- 

 dividing into stellate amoebulae. 1, x 400, 2 and 3, x 800 diams. 

 From Part II. 



