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CHIEF CHARACTERISTICS 



PATHOGENIC 



Name. 



Genus. 



Biology. 



Product. 



SYPHILIS (Spiro- 

 cheta Pallida). 



TETANUS. 



TETRAGENUS. 



TIMOTHY GRASS. 



TOXICATUS. 

 TUBERCULOSIS. 



TYPHOID. 



TYPHOID OF SWINE 

 (swine plague). 



TYROGENUM 

 (Deneke's). 



XEROSIS. 



Spirocheta. 



Bacillus. 



Micrococcus. 



Bacillus. 



Micrococcus. 

 Bacillus. 



Bacillus. 



Spirillum 

 (vibrio). 



Bacillus. 



Small delicate spirals, 

 difficult to stain. 



Large, slender motile 

 rods, with spores in 

 one end, drumstick 

 shape, often in 

 threads ; true ana3ro- 

 bic. 



Large round cells, uni- 

 ted in groups, usual- 

 ly of four, and sur- 

 rounded by a cap- 

 sule ; immotile ; aero- 

 bic. 



Extremely acid-fast; 

 resembles tubercle 

 bacillus; in cultures 

 may show club for- 

 mation and branches. 



Cocci singly and in 

 pairs. 



Slender rods, usually 

 in pairs; not motile; 

 spores not definitely 

 determined ; facul- 

 tatively anaerobic. 



Slender motile rods, 

 sometimes in tli reads; 

 flagella, but no spores; 

 facultatively anaero- 

 bic. 



See Swine Plague. 



Spiral - shaped rods ; 

 serobic. 



Similar to diphtheria 

 bacillus. 



Ptomaines, teta- 

 nine, tetanotox- 

 ine, spasmotox- 

 iue; also a tox- 

 albumin. 



Kochine or parato- 

 line, a glycerin 

 extract of the 

 pure culture (tu- 

 berculin). 



Typhotoxin and 

 toxalbumin. 



