244 



HEAT AND PROTOPLASM 



[Cn. VIII 



TABLE XX* 



DETERMINATIONS OK THE ULTKAMINIMUM OF ORGANISMS REARED UNDER 



NORMAL CONDITIONS 



* Temperatures all in degrees Centigrade. - before a number indicates below 

 zero, - - or -f after a number indicates that the true lethal temperature lay 

 slightly below or above that number. (.4) indicates that the organism was in air ; 

 ( \V") , in water. 



