INVESTIGATIONS 



MICEOSCOPIC FOAMS 



AND ON 



PKOTOPLASM 



EXPERIMEN^rS & OBSERVATIONS DIRECTED TOWARDS A SOLUTION 



OF THE QUESTION OF THE PHYSICAL CONDITIONS 



OF THE PHENOMENA OF LIFE 



BY 



cTbutschli 



PROFESSOR OF ZOOLOGY IN THE UNIVERSITY OF HBIDBLBEEG 

 AUTHORISED TRANSLATION 



By E. a. MINCHIN, B.A. (Oxon.) 



FELLOW OF MBETON COLLEGE, OXFORD 



LONDON 

 ADAM AND CHARLES BLACK 



1894 ec 



& 



