26 



CLASSIFICATION OF BACTERIA 



2 . Baderiacece. 



Cells without organs of motion i. Bacterium 



Cells with organs of motion (fla- 

 gellaj. 



a. Flagella distributed over the 



whole body 2. 



b. Flagella polar 3. 



3. Spirillacec? . 



Bacillus. 

 Pseudomonas. 



Spirosoma. 



Cells rigid, not snakelike or flex- 

 uous. 



a. Cells without organs of mo- 



tion I 



b. Cells with organs of motion 



(flagella). 



1. Cells with one, very 



rarely 2-3 polar fla- 

 gella 2. Microspira 



2. Cells of polar flagella, 



in tufts of from 5-20^ 3. 

 Cells flexuous 4. 



REFERENCES. 



Spirillum. 

 Spirochaeta. 



1. Gay. a bacteriological study of fistulous withers, botryomycosis 

 and infected wounds in the horse. Atn. Vet. Review. Vol. XXIV. 

 ( 1901) p. 877. 



2. LucET. Annals de V Institut Pasteur. Vol. VI ( 1893) p. 324. 



3. MiGULA. System der Bacterien. 1897. 



4- Moore. Suppurative cellulitis in the limbs of cattle due to strep- 

 tococcus infection. Am. Vet. Review. June, 1898. 



5. MooRE. Observationsconcerning the significance of streptococci 

 in comparative pathology. Ant. Vet. Review. Jan. -Mar., 1900. 



6. Moore. Preliminary observations on skin disinfection and wound 

 infection. Am. Vet. Review. Vol. XXV. ( 1901 ) p. 510. 



7. NOCARD. A New Pasteurellose : White scours and lung disease of 

 calves in Ireland. Ayn. Vet. Review. Vol. XXV (1901 ) p. 326. 



8. Smith and Moore. On the variability of infectious diseases as 

 illustrated by hog cholera and swine plague. Bulletin No. 6. U. S. Bureau 

 0/ Animal Industry. 1894. p. 81. 



9. Ward. The persistence of bacteria in the milk ducts of the cows' 

 udder. Jour7ial of Applied Microscopy. Vol. I. (1898) p. 205. 



10. Ward. The invasion of the udder by bacteria. Bulletin No. 

 178 Cornell Univ. Agric Exp Station. 1900. 



ir. WEiyCH. General bacteriology of surgical infections. Dennis' 

 System of Surgery . Vol. I. p. 249. 



