222 



FRANKLIN PARADISE JOHNSON 







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Figs. 9 and 10 Cross sections of the mucosa of the vermiform process (includ- 

 ing the circuhir layer of the muscularis). Human embryo of 200 mm. X 120. 

 In figure 19 is shown a gland cyst not entirely cut off from the surface epithelium. 

 In figure 10 is shown a cyst detached from the surface epithelium and undergoing 

 degenerative changes. 



Fig. 11 Mucosa of the rectum (including the circular layer of the muscularis) 

 in cross section. Human embryo of G5 mm. X 120. Shows several epithelial 

 gland cysts. 



