246 BIOLOGY AND ITS MAKERS 
spected in the university, and led a useful life, although after 
going to Belgium he published only one work—that on the 
uses of the bile. He was recognized as an adept experi- 
Fic. 75.—M. ScHLEIDEN, 1804-1881. 
menter and demonstrator, and ‘clearness, order, and method” 
are designated as the characteristic qualities of his teaching. 
His announcement of the cell-theory was his most impox- 
