Fic. 26.—Muscle coat of diverticulum, H. P. 
Fic. 27.—Same, L. P. 
Fic. 28.—Muscle network from diverticulum. 
Fic. 29.—Cell element from diverticulum. 
Fic. 30.—Surface view of cell membrane of diverticulum. 
Fic. 31.—Cross-section of colon. mw., muscle wall; se., epithelium; 
ch., chitinous wall. ’ 
Fic. 32.—Cross-section of rectum. Same as in Fig. 29. 
