| 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] |
