l.Ti 



Hy plncinj^ llic Ira^mc'iil of carlihi'^c on llic U'vv surface 

 of tlic" clol iiiidcr i film of fluid. Die saiuc looscnin*? of 

 llu- aniorplioiis subslaiicc took place and the lyiH|)hocylc- 

 likc small cells could be seeu mij^ralinf^- out l'\<i,. 'I'A . Tlicse 

 cells he^au lo spi'cad oul llieii- cyloplasui and i^rcw finally 

 to big cells, many liuies larf^ci' Mian (he foianer small 

 types (Fig. 22;. The nucleus of [he big cells was almost as 



Fig. 23. 

 Fresfi cartilage cultivated on the surface of tfie plasma clot, showing the 

 small types of cells just migrating on the medium. Stained with azure blue. 



X 1,000. 



From The Journ. of Exp. Med. 1922, XXXVl, 379. 



big as Ihe enlii'c cells of the ty|)e of the small lymphocyte- 

 like cell. All forms of transition could be studied. The 

 cytoplasn; of the big cells usually took up the stain much 

 more intensively than the nucleus. The cyto])lasm con- 

 tained fre(|uenlly ninnerons large vacuoles and Ihe nucleus 

 usuallv one bi** nncleolns. 



