PLATE V. 



PIG. 



1. B. URE^E. Surface colony on a gelatine -plate x 100; 



seventy -two hours growth at 22 C. 



2. B. AQUATILIS SULCATUS. Surface colony in a gelatine- 



plate x 100 ; forty-eight hours growth at 22 C. 



3. B. ALBUS or B. UBIQITUS. Surface colony 011 a gelatine- 



plate x 100 ; forty-eight hours growth at 22 C. 



4. B. MESENTERICUS RUBER. An early stage of a colony in 



a gelatine-plate x 100. 



5. M. FLAVUS LIQUEFACIENS. Colony in a gelatine-plate 



x 100 ; forty-eight hours growth at 22 C. 



6. B, CYANOGENUS. Surface colony in a gelatine-plate 



x 100; forty-eight hours growth at 22 C. The 

 gelatine surrounding the colony has a deep blue 

 colour. 



7. B. DENITRIFICANS. Surface colony on a gelatine-plate 



x 100 ; seventy-two hours growth at 22 C. 



8. SP. CHOLERA ASIATICS. Surface colony in a gelatine- 



plate x 100; seventy-two hours growth at 22 C. 

 Liquefaction well advanced. 



