io6 Appendix C. 



Syphilis (Birsch-Hirschfeld, Klebs). 

 Djfsentery (Prior). 

 Whooping-cough (Burger). 



II. MiCROBACTERiA : small cylindrical or elliptic rods, occurring singly 



or in pairs or in zooglcea masses. 



a. Chromogenous — Bacterium synxanthum (in yellow milk). 



B. ceruginosum (in blue pus). 



b. Zymogenous — B. Termo (in putrefaction). 



B. Lineoia (in stagnant water). 



Mycoderma aceti (in acetic acid fermentation). 



c. Pathogenous — In ** Septicaemia of rabbits (Koch). 



** Chicken cholera (Pasteur). 

 Typhus? (Klebs). 



III. Desmobacteria. 



1 . Bacilli : longer rods, often showing the formation of spores. 



a. Chromogenous — Bacillus ruber (in boiled rice). 



b. Zymogenous — B subtilis (in hay infusion). 



B. butyricus (in butyric acid fermentation). 



c. Pathogenous — In the following diseases : — 

 ** Anthrax. 



** Glanders. 



** Septicaemia in mice (Koch). 



Malignant oedema of animals and of man (Ehrlich). 



Meat-poisoning in man (Klein). 



Typhoid fever. 



Malaria. 



Diphtheria (Klebs). 



Lepra. 

 ** Tuberculosis (including tuberculosis, phthisis, scrofula, 

 lupus, and heart-disease of animals). 



2. Leptothrix : longer rods and fibres, often occurring in bundles, 



and found in the saliva, etc. , L. buccalis. 



IV. Spirobacteria : threads forming spirals. 



1. Spirillum : spirals rigid ; .J. serpens (in stagnant fluids). 



2. Spiroch^ta : spirals not rigid. 



In the tartar, and in caries of the teeth. 

 ** ^. Obermeieri (in relapsing fever). 



Actinomyces, which is introduced into this list by Dr. 

 Dreschfeld, is a Hyphomycete, and does not belong to this class 

 of Fungi. 



