244 



HEAT AND PROTOPLASM 



[Cn. VIII 



TABLE XX* 



DETERMINATIONS OF THE ULTRAMINIMUM OF ORGANISMS REARED UNDER 

 NORMAL CONDITIONS 



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

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

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

 (W), in water. 



