20 GENERAL PROPERTIES OF LIVING MATTER. 



though magnifying very much, did not show him the details 

 within the protoplasm, and thus, judging especially from carmine 

 staining, he asserted the nucleus to be living or "germinal" 

 matter, while a great deal of protoplasm was to him identical 

 with the basis-substance of connective tissue, and he termed this 

 the "formed material/' designating by this term even the most 

 active tissues, the muscles, and nerves. 



Since M. Schultze's proposal, the term " protoplasm " has 

 largely been used, and my own researches in 1872 began on the 

 basis of the cell doctrine, as understood at that time, viz. : that 

 each cell is a structureless lump of protoplasm. 



