Fig. 57. — B. Typhosus. 



Agglutination by Serum from Typhoid Patient, unstained, 

 J apwchromat, Projection ocular 6. x 400. 



Fig. 58. — B. Coli Communis. 



Cover Glass Preparation, Agar Culture, 48 hours' growth, 

 " Bacillary " form, Carbol-Fuchsine, ^ apochromat, Projec- 

 tion ocular 6. x 1000. 



