GENERAL MORPHOLOGY AND PHYSIOLOGY OF BACTERIA. 



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Fig. s. — -Illustrating the general morphology of Coccacese. a, b, micrococci {a) differing 

 in size, showing chain formation or streptococci (A);c, diplococcus; rf, diplococcus;e, tetra- 

 coccus;/, gelatinized tetracoccus; g, gelatinized diplococcus. 



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Fig. 6. — General morphology of BacteriaceEe. a, b, c, d, bacilli differing in size and 

 form; c, shows curved bacilli like those of Asiatic cholera; e. hay bacillus (B. suUilis); 

 f, Y-shaped or branched bacilli, as of clover root nodules; g, drum-stick (Trommelschlager) 

 bacilli, as of tetanus — form due to the enlarged endospores. 



