

INVESTIGATIONS 



ON 



MICKOSCOPIC FOAMS 



AND ON 



PROTOPLASM 



EXPERIMENTS & OBSERVATIONS DIRECTED TOWARDS A SOLUTION 



OF THE QUESTION OF THE PHYSICAL CONDITIONS 



OF THE PHENOMENA OF LIFE 



BY 



0. BUTSCHLI 



PROFESSOR OF ZOOLOGY IN THE UNIVERSITY OF HEIDELBERG 



AUTHORISED TRANSLATION 



BY E. A. MINCHIN, B.A. (OxoN.) 



FELLOW OF MERTON COLLEGE, OXFORD 



LONDON 

 ADAM AND CHARLES BLACK 



1894 



