APPENDIX B 



133 



IV. PATHOGENICITY 



1. Pathogenic to animals. 



Insects, crustaceans, jishes, reptiles, birds, mice, rats, guinea pigs, 

 rabbits, dogs, cats, sheep, goats, cattle, horses, monkeys, man. 



2. Pathogenic to plants. 



3. Toxins, soluble, endotoxins. 



4. Nontoxin forming. 



f>. Immunity bactericidal. 

 0. Immunity nonbactericidal. 



7. Loss of virulence on culture media : prompt, gradual, not observed 

 in months. 



BRIEF CHARACTERIZATION 



Mark + or O, and when two terms occur on a line erase the one which 

 does not apply unless both apply 



Gram's stain 



