JOURNAL OF BACTERIOLOGY VOL. I 



PLATE 12 





b 



uv*; 



Fig. 23 







i SO 



,/ 6 



€P 



^ o S 



-^y^^j^i 



s 



CD 



f> 



S- 



Fig. 24 



(Lawrence and Ford: Aerobic Spore-bearing Non-pathogenic Bacteria) 



