201 



Fig. 45. 

 Experiment 2107 — 22. Section of an intestinal „OrganisiTi" cultivated in 

 embryonic tissue juice alone for a month. The loose stroma and the cubic 

 epithelium with the dilatated spaces between the individual cells may be seen. 



X 272. 

 From The Journ. of Exp. Med. 1922, XXXVI, 393. 



