BACTERIOLOGICAL DIAGNOSIS. 767 



Bacillus solidus (402). 

 Bacillus amylozyma (454). 



2. Non-motile ; forms spores : 



Bacillus muscoides (401). 



3. Non-motile ; does not form spores : 



Bacillus aerogenes capsulatus (485). 



C. Growth in nutrient gelatin not determined, but have been cul- 

 tivated in other media. 



1. Motile ; forms spores : 



Bacillus butyricus (404). 



2. Non-motile ; spore formation not observed : 



Bacillus cadaveris (151). 

 III. Have not been cultivated in artificial media : 



Bacillus leprse (cultivation claimed) (54). 

 Bacillus diphtherise vitulorum (50). 

 Bacillus of Lustgarten (57). 

 Bacillus buccalis maximus (394). 



SPIRILLA. 



Aerobic spirilla (many of the species are also facultative anaerobics). 



A. Grow in nutrient gelatin at the room temperature, and liquefy 

 the gelatin. 



1. Motile ; grow upon potato ; spore formation not deter- 

 mined : 



Spirillum cholerse Asiaticse (155). 

 Spirillum of Finkler and Prior (156). 

 Spirillum tyrogenum (157). 

 Spirillum Metschnikovi (158). 

 Spirillum of Miller (431). 

 Spirillum marinum (446). 



B. Grow in nutrient gelatin, and do not liquefy : 



a. Chromogenic : 



f Pigment j^ellow ; non-motile : 



Spirillum flavum (427). 



Spirillum aureum (425). 

 * Pigment yellowish-green ; non-motile : 



Spirillum flavescens (426). 

 I Pigment red ; motile : 



Spirillum rubrum (429). 



b. Non-chromogenic : 



f Motile : 

 x. Grow on potato : 



Spirillum saprophiles a (422). 



