MECHANISM OF DEATH 



297 



Reichenbach (1911) and the spore-former of Myers 

 (1929). As an example, two experiments by Chick 

 are given in Table 85. 



■•^ — 



Fig. 35. — Survivors obtained by spreading a culture of Bacterium coli on 

 agar and exposing it there to X-rays. ^The full line shows the survivors when 

 the agar plate is exposed immediately; the dotted line shows the results when 

 the agar plate had been incubated for a short time before exposure. 



While we have here an approximation to the survivor 

 curves of higher organisms, it is not necessary to assume 



