100 DETERMINATION OF SPECIES. 
(4) Colonies colored. 
Bact. brunneum. 
B. Do not grow on gelatin at the room- 
temperature. 
Bact. termophilum. 
II. Spore formation not observed. 
1. Grow well on gelatin. 
A. Form no pigment. 
(a) Do not liquefy gelatin. 
I. Stained by Gram’s method. 
Bact. pneumonie. 
Bact. proteus. 
Bact. rhusiopathiee. 
Bact. murisepticum. 
Bact. lacticum. 
Bact. parvum. 
2. Do not stain by Gram’s method. 
Bact. pneumonicum. 
Bact. rhinoscleromatis. 
Bact. faschingil. 
Bact. endocarditidis. 
Bact. cuniculicidi. 
Bact. suicida. 
Bact. palumbarium. 
Bact. ribberti. 
Bact. cuniculi. 
Bact. pseudotuberculosis. 
Bact. columbarum. 
Bact. a€rogenes. 
Bact. aceti. 
Bact. salivee. 
3. Gram’s stain undetermined. 
Bact. capsulatum. 
