164 



MORPHOLOGIC VARIATION 



Table XVI 

 Effect of Age of Parent Culture on Size of Cells (B. megatherium) 



Hours of 

 Growth 



Average 

 (microns) 



Standard 

 Deviation 

 (microns) 



Coefficient 

 of variation 



Parent Culture 



Two-hour Subculture 



Four-hour Subculture 



