Fig. 8. Spores, spore formation, and spore 'germination. 1. Bacillus esieri- 

 ficans; about X 1,900. (Huss.) 2. Bacillus esterificans; about X 1,800. 

 (Huss.) 3. Bacillus tumescens. (Meyer.) 4. Clostridium Pastorianum. (Wino- 

 gradski.) 5. Clostridium Pastorianum. (Winogradski.) 6. Clostridium 

 Pastorianum. (Winogradski.) 7. Bacillus oxalaticus; X 1,200. (Kuntze.) 

 8. Bacillus esterificans; about X 1,800. (Huss.) 9. Bacillus esterificans; 

 about X 1,800. (Huss.) 10. Bacillus methanicus; X 1,100. (Omelianski). 



11. (a, 6 and c) Bacillus cylindricus . (d) Bacillus robustus; X 2,800. (Blau.) 



12. Bacillus robustus; X 2,900. (Blau.) 13. Bacillus esterificans; about 

 X 1,500. (Huss.) 14. Bacillus Ellenbachensis. (Kolkwitz.) 15. Bacilli 

 from Armenian Matzoon. (Weigmann, Gruber, Huss.) 



