PLATE 4 



EXPLANATION OF FIGURES 



26 Wax reconstruction of the epithelium of the tip of the vermiform process. 

 Human embryo of 88 mm. X 89. 



27 Wax reconstruction of the epithelium of the tip of the vermiform process. 

 Human embryo of 140 mm. X 89; x, epithelial gland cyst, entirely cut off from 

 surface epithelium. 



28 Wax reconstruction of the epithelium of the base of the vermiform process. 

 Human embryo of 200 mm. X 89; a;, epithelial gland cyst, entirely cut off. 



29 Wax reconstruction of the epithelium of the tip of the vermiform process. 

 Human embryo of 240 mm. X 89. 



232 



