398 



RADIATION BIOLOGY 



•40 



X 10 Ergs 



1 00 "TcAy'*"'^"''''^.— 



10- 



5 



> 



(£ 



(ft 



UJ 



o 



< 



t- 



Z 



y I- 



(£ 



liJ 



a 



01- 



001' 



\ 



^ 



^x 



\ 



\ 2650 A '\ 3500-4900 6 



°- \ 



X 



\ 



X 

 \ X 



\ \ 



qo \ 

 \ 



X 



—I — 

 100 



— I — 

 300 



400 



200 

 X 10'^ Ergs 



Fig. 10-10. Survival ratio plotted against energy per orgaiii.sni for E. roll in liquid 

 suspension. Lower scale, 2050 A; upper scale, 3500-4900 A. {After Hullaendcr. 

 1943.) 



Table 10-5. Comparison of Effects of the 3500 to 4900 A and the 



2180 to 2950 A Region.s 

 [From Hollaender (1943)] 



