Explanation of Plate 38. 



BACILLUS ANTHRACIS. F. Colin and E. Koch. 



(Anthrax. ) 



I.-V. Gelatin stick cultures, three days at 22. 



Figs. I. and II. typical, the others atypical. 

 VI. Agar streak culture, two days at 22. 

 VII. Agar stick culture, five days at 22. Puncture 



canal. 

 VIII. Agar stick culture, five days at 22. Surface. 



Atypical. 



IX. Agar stick culture, five days at 22. Surface. 

 Typical ; often has a homogeneous whitish-gray 

 color. 



38 



