26 



CLASSIFICATION OF BACTERIA 



Bacterium. 



Bacillus. 

 Pseudomonas. 



2 . Bacteriacea-. 



Cells without organs of motion i . 



Cells with organs of motion (fla- 

 gella ). 

 a. Flagella distributed over the 



whole body 2. 



h. Flagella polar 3. 



3. Spirillacecc 



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. 



Spirosoma. 



Spirillum. 

 Spirochseta. 



REFERENCES. 



1. G.w. A bacteriological study of fistulous withers, botryomycosis 

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

 Ii90i)p. S77. 



2. LucET. Annals de I' Institul Pasteur. Vol. VI ( 1893) p. 324. 



3. MlGULA. System dey Baeteneii. 1897. 



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

 tococcus infection. Am. Vet. Reviezv. June, 1S9S. 



5. Moore. Observations concerning the significance of streptococci 

 in comparative pathology. A»i. \'et. Review. Jan.-Mar., 1900. 



6. Moore. Preliminary observations on skin disinfection and wound 

 infection. Am. Vet. Revieiv. Vol. XXV. (i9oi)p. 510. 



7. Noc.^RD. A New Pasteiirellose : White scours and lung disease of 

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



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

 illustrated by hog cholera and swine plague. Biiltetin No. 6. U . S. Biireaa 

 of Animal industry. 1S94. p. 81. 



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

 udder. Journal 0/ Applied Microscopy. Vol.1. (1898) p. 205. 



10. W.ARD. The invasion of the udder by bacteria. Bulletin Ao. 

 /yS Cornell Univ. Agrie Exp. Station. 1900. 



11. Welch. General bacteriology of surgical infections. Dennis' 

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



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