CONTENTS, 



Page. 



Introduction 7 



Inoculations 7 



Description of the caulitlowcr leaf-spot organism : 9 



Morphology 9 



Reaction to stains 10 



Cultural characters 10 



Agar plates 10 



Agar stabs 10 



Agar slants .■ 10 



Beef bouillon 11 



Acid bouillon 11 



Alkaline bouillon 11 



Bouillon vnth sodium chlorid 11 



Beef bouillon over chloroform 11 



Loeffler's blood serum 11 



Cohn's solution 11 



Fermi's solution 11 



Nutrient gelatin 12 



Litmus milk 12 



Milk 12 



Uschinsky's solution 12 



Other characteristics 12 



Fermentation tubes 12 



Ammonia production 12 



Nitrates 13 



Indol 13 



Hydrogen sulphid 13 



Temperature relations 13 



Thermal death point 13 



Optimum temperature 13 



Maximum temperature 13 



Minimum t emperature 13 



Effect of desiccation 13 



Effect of sunlight 13 



Effect of freezing 13 



Vitality on culture media , • 14 



Group number 14 



Name of organism 14 



Latin diagnosis 14 



Summary 15^ 



225 



5 



