THE PHYSICAL BASIS OF LIFE 



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hit ween animal sarcode and vegetable protoplasm upon an 

 unassailable basis, and therefore he has received the title of 



Fig. 88. — Max Schultze, 1825-1874. 



"the father of modern biology." He showed that sarcode, 

 which was supposed to be confined to the lower invertebrates, 

 is also present in the tissues of higher animals, and there ex- 



