ACCOMMODATION OF INFUSORIA TO CERTAIN SOLUTIONS. 



29 



(5) In sugar-solutions of higher concentration some infusoria seem 

 to increase in size, only till a certain limit is reached. 



(6) The vacuoles or the corpuscles increase in diameter as the con- 

 centration of the medium becomes stronger. 



(7) The more the concentration of the medium increases the more 

 rounded become the organisms. 



March 1897. 



Reprinted May 6', 1H'J7. 



