REPORT OF THE SOCIETY 

 Potato-dextrose agar. 



129 



10 



20 



Quebec org. 

 Saltation. 

 C. tabif. 



30 40 50 



Diameter in mm. 



60 



ro 



80 



C. atram. 



— . — . — . C. atroT. 



00 



The preceding table and graph show that : 



1. The rate of growth for the five organisms is very similar. 



2. Of the four solid media tried, potato-dextrose agar was the best for growth; 

 oatmeal agar was second while cornmeal and Czapek's were almost equal. 



3. There is a marked regularity in rate of growth in each case as indicated by 

 t he graph. 



9 



