ELECTRICAL EXCITATION OF NERVE 



203 



O GO Si 



I1M 



_ 



J * Si? I 



tli 



^s S-d 



1.5 = I 



3 .bp g ^-73 







s >> 



a>s ^ 



o s bfl-S 



'> '^3 ^ ^ 



A ^ "~ fe > 



:J ^ (U ^ 



r * c8 2 



Si Q) J3 







3 



1 



- ^ 





C^rt GO 

 O 



, 

 > .2 ^3 g 



O) > O P-i 



8-Ss-S 



114= 



O "OQ r-2 



O ^ s 

 -J^ 



fill 



03 - CO 



CO 



w O 



^ rt * 



.pi 



1:1 



^O 



ii 



a 3 5 



Q m 



rl 



& 



I 



