A I [CRO-ORG VNISMS OF M Al-I.i- SAP 



587 



the number on the exposed half, and the percent killed are in- 

 dicated below : 



TABLE "li. INFLUENCE <>K INSOLATION 



Strain 



Number of colonies Number of colonies 

 on unexposed half on exposed half 



Percent 

 killed 



69 

 To 

 GO 

 92 

 93 



too 



lint 

 80 



inn 

 23 

 7.". 

 95 



||H> 



1 Percent could only be estimated on account of spreaders. 



Ten minutes exposure of strains CXII. CXV, CXL, 

 CXLV, CXLVIII, XXXVI, and LI, March 8, at n a. m. gave 

 results indicated in table 77. 



