Isolation 



34i 



Fig. 122. Bacillus tetani. X 1000 (Frankel and Pfeiffer). 



Fig. 123. Bacillus tetani; six-day- Fig. 124. Bacillus tetani; culture 

 old puncture culture in glucose-gelatin four days old in glucose-gelatin (Frankel 

 (Frankel and Pfeiffer). and Pfeiffer). 



