TABLE 2 

 Resistance of individual strains of B. 



botulinus 



Cal. I 



Cal II. 



Cal III 



Cal IV 



Cal VI 



NBS 



Columb. 1 



G06 



Columb. 31 



New York City 

 Board of Health 



Mul435 



Mul 471 



Mul433 



Alb 175 



Alb 175B 



Chi 595 



AM of NH 



C91 



GS 



* These were negative 



the eighth and ninth 

 days 



* Positive after the first 



day 

 ** Positive after the sec- 

 ond day 

 *** Positive after the sec- 

 ond day, negative 

 the third day and 

 fourth days, then 

 positive throughout 

 **** Positive after the third 

 day 



* Negative the forty- 



ninth day 



* Negative after the 



sixth day 

 ** Negative the eleventh 

 but positive the 

 forty-ninth day 



* Negative the forty- 



ninth day 



* Growth questionable 



on thirty-first day 



* Positive after the first 



day 

 "* Negative after sixth 

 and seventh days 



* Negative after the 



fifth day 

 K * Negative after the 

 sixth day 



* Growth negative on 

 the seventh day. 

 In 10 per cent salt 

 growth was positive 

 however at the 

 twenty-seventh day 



556 



