Fig. 87. — Sp. Avicidum (Metchnikovii). 



Cover Glass Preparation, Agar Culture, Flagella, Nicolle- 

 Morax-Loffler, ^ apochromat, Projection ocular 6. x 1000. 



Fig. 88. — Sp. Avicidum (Metchnikovii). 

 Gelatine Stab Culture, 48 hours' growth at 21 C. 1:1. 



Fig. 89. — Sp. Avicidum (Metchnikovii). 

 Gelatine Stab Culture, 96 hours' growth at 2.1° C. 1 . 1. 



Fig. 90. — Sp. Tyrogenum (Deneke). 

 Gelatine Stab Culture, 48 hours' growth at 21° C. 1 : 1. 



