LIST OF ILLUSTRATIONS xiii 



FIG- 



B. Coli Communis . . . . . . . . 59 1 



B. Coli Communis . . . . . . . . 60 



B. Coli Communis . . . . . . ,61 



Diplococcus Pneumonice (Frankel) . . . . . 62 



Diplococcus Pneumoniw . . . . >- . . 63 



Diplococcus Pneumonice (Frankel) ..... 64 



B. Pneumonice (Friedldnder) . . . . . . 65 



B. Pneumonice . . . . . . . 66 



B. Diphtherice . . , ^- 67 



B. Diphtherice .... .... 68 



B. Diphtherice 69, 70 



B. Diphtherice 71 



B. Diphtherice 72 



B. Diphtherice . . . 73 



B. Diphtherice 74 



Spirillum Cholera Asiatica (Koch) . . . . . 75 



Sp. Cholera Asiatica . . . . . . . 76 



Sp. Cholera Asiatica . . . . . . . 77 



Sp. Cholera Asiatica . . . . . . 78 



Sp. Cholera Asiatica . . . . . . . 79 



Sp. Cholera Asiatica . . . . . . . 80 



Sp. Cholera Asiatica . . . . . . . 81 



Sp. Cholera Asiatica ....... 82 



Sp. Finkkri ,, 83 



Sp. Finkkri 84 



Sp. Finkkri 85 



Sp. Avicidum (Metchnikovii) ...... 86 



Sp. Avicidum (Metchnikovii) ...... 87 



Sp. Avicidum (Metchnikovii) ...... 88 



Sp. Avicidum (Metchnikovii) . . . . . . 89 



Sp. Tyrogenum (Deneke) ....... 90 



Bacillus Pestis Bubonicce ..... 91 



