FACTS 153 



because of this agglomeration, for the most part showing 

 themselves capable of producing effects which no unicellular 

 being ever produces whatever its volume. 



The description of different cellular types belongs to 

 treatises of zoology, botany or histology. We suppose the 

 reader to be already acquainted with a certain number of 

 types of living beings, to which, in his own mind, he can 

 refer our abstract reasoning. 



