PLATE 2 



EXPLANATION OF FIGXJRES 



5 Tissue culture, eight days. Large spindle cell witii granulae and ingested 

 small cell. Formalin, Heidenhaiii. X 1000. 



6 Tissue culture, eight days. liarge reticular cell, with granulae. Formalin, 

 Heidenhain. X 1000. 



7 Forty-eight hours growth iri vitro. Large reticular cells on cover-glass. 

 X 125. 



328 



