380 Transactions of the Society. 



Exam'ple. 



An organism on examination gives the number 62,023,406,780. 

 This indicates : — 



6 A bacillus. 



2 Colour of colony — white. 



Non-motile. 



2 Stains by Gram. 



3 Aerobic. 



4 Pathogenic. 



ISTon-liquefying. 



6 Produces gas. 



7 Produces acid. 



8 Coagulates milk. 

 Non- sporing. 



On reference to a prepared list of organisms represented by 

 such numbers one identifies the one under examination as Bacillus 

 'pneumoniae, the Pneumo bacillus of Friedlander. 



