PLATE VI 



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III. 1, Spirillum volutans (Cohn) with lophotrichous flagella 

 (chain of three); 2, Sp. volutans, single cell; 3, Microspira 

 comma, monotrichous flagellum; 4, Spirocheta obermeieri. 



IV. 1, Sardna lutea; 2, Micrococcus tetragenus with capsule; 3, 

 streptococcus; 4, planococcus; 5, staphylococcus. 



