9Ö 



TABLE V. 

 Temperature 19°.0; weighings every 24 hourê. 



Temperature 21°,4. 



4th series 

 agar 



24.575 

 24.580 

 24.582 

 24.581 



The agar had been swel- 

 ling for 8 days underwater 

 at the same temperature, and 

 had been dried as said above. 



30 

 24 



