Chapter II: Conclusion: 292

INDEX 295

ILLUSTRATIONS

FIG. PAGE

1. Curve showing removal of lime by washing 6

2. Cubical “truck” for measuring skin _facing_ 8

3. Puer wheel " 13

4. Front elevation of puer wheel 13

5. End elevation and section of puer wheel 14

6. Sir John Turney’s scudding machine _facing_ 17

7. Curves of ash contents during puering 38

8. Diagram of volumenometer 62

9. " connexions of electrometric apparatus 76

10. Electrometric apparatus 78

11. Apparatus for measuring degree of falling 83

12. Curves obtained by measuring apparatus 85, 86

13. Improved apparatus for measuring degree of falling 86

14. Various forms of bacteria in puer liquors _facing_ 88

15. _B. coli commune_ " 88

16. _B. erodiens_ (Becker) " 97

17. Plate culture from fresh puer " 97

18. " " puer wheel " 103

19. _B. putrificus_ " 103

20. Organisms in pigeon dung, × 1000 104

21. Pure culture of bacillus (_d_) from sweated skin _facing_ 106

22. " " " (_e_) " " " 106

23. _B. butyricus_ (Hueppe) " 112

24. _Spirillum volutans_ (Kutscher), stained to show flagellæ " 112

25. " " " unstained preparation " 112

26. Curves showing rate of hydrolysis 129

27. Organisms in bran drench, × 1000 240

28. Chains of bran bacteria, × 1000 240

29. Bran fermentation, advanced stage 241

30. _B. furfuris_, α _facing_ 269

31. _B. furfuris_, β " 269

32. Cultures of α in glucose gelatin 268

33. Gas curve (_B. furfuris_) 277