62 MISCELLANEOUS PAPERS. 



Table VIII. — Effect of copper sulfate upon Bacillus liguifaciens pliosphorescens. 



Duration of exposure to action r>i,^^i. 

 of copper sulfate. 1 '-'^ecJi. 



1 part copper sulfate to — 



10,000 

 parts of 

 water. 



25,000 

 parts of 

 water. 



50,000 

 parts of 

 water. 



100,000 

 parts of 

 water. 



500,000 

 parts of 

 water. 



1,000,000 

 parts of 

 water. 



Colonies. 



hour 16, 500 



2 hours 15, 800 



6 hours 23, 000 



24 hours 36, 000 



Colonies. 



3,400 















Colonies. 



2,400 



1 











Colonies. 



16,000 















Colonies. 



4,500 



5 











Colonies. 



10, 400 



2,900 



Colonies. 



13, 000 



7,.300 



7,000 



5,300 



Table IX. — Effect of copper sulfate upon pink yeast. 







1 part copper sulfate to — 



Duration of exposure to action 

 of copper sulfate. 



Check. 



10,000 i 25,000 



parts parts 



of water, of water. 



50,000 



parts 



of water. 



100,000 



parts 



of water. 



500,000 



parts 



of water. 



1,000,000 



parts 

 of water. 



hour 



Colonies. 

 310 



Colonies. 



550 



5 











Colonies. 

 100 



1 

 

 



Colonies. 

 110 







Colonies. 

 100 



1 

 1 

 



Colonies. 



220 



65 



3 



1 



Colonies. 

 108 





150 

 70 

 90 



85 



6 hours 



50 





30 







Table X. — Effect of copper sulfate upon Bacillus coli. 



1 part copper sulfate to- 



Duration of exposure to action p, , 

 of copper sulfate. *-iie(-K. 



100,000 

 parts of 

 water. 



500,000 

 parts of 

 water. 



1,000,000 

 parts of 

 water. 



2,000,000 

 parts of 

 water. 



3,000,000 

 parts of 

 water. 



4,000,000 

 parts of 



Colonies. Colonic?. Colonies. 



hour 2, 650 2, 300 3, 100 



2hours 2,350 1,650 2,650 



6 hours 2, 300 j 



24 hours 6, 300 



Colonies. 



2, 700 



2,000 



95 



0- 



Colonies. 



2, 250 



1,650 



210 







Col'mies. Colonies. 



1,800 1,770 



1,850 1,850 



850 1.070 



65 



Table XI. — Effect of copper sulfate upon sulfur yellow bdcillus. 





Check. 





1 part copper sulfate to — 





Duration of exposure to action 

 of copper sulfate. 



10,000 

 parts of 

 water. 



25,000 

 parts of 

 water. 



50,000 

 parts of 

 water. 



100,000 

 parts of 

 water. 



500,000 1,000,000 

 parts of i parts of 

 water. \ water. 





Colonies. 



2.800 



2,000 



1,500 



24,000 



Colonies. 



40 















Colonies. 



3,100 















Colonies. 



2,800 















Colonies. 



4,100 



280 











Colonies. 



860 



1 











Colonies. 

 1,300 



2 hours 



2 









24 hours 











Table XII. — Effect of copper sulfate upon Pseudomonas radicicola {soy). 



Duration of exposure to action 

 of copper sulfate. 



1 part copper sulfate to — 



Check. 



10.000 25,000 

 of I parts of 

 water. 



parts 

 water 



50,000 

 parts of 

 water. 



100.000 

 parts of 

 water. 



500,000 

 parts of 

 water. 



Colonies. 



2,800 



45 











Colonies. 



650 















Colonies. 



520 



25 











1,000,000 

 parts of 

 Avater. 



hour . . 

 2 hours . 

 6 hours . 

 24 hours 



Colonies. 



1,900 



1,800 



2,100 



18, 000 



Colonies. 



520 















Colonies. 



1,300 















Colonies. 



3,100 



1,100 



30 







100— VII 



