1．INTRODUCTION

2．HISTOLOGY OF SKIN

3．THE COMPOSITION AND CHEMICAL STRUCTURE OF SKIN

4．COMBINATION OF PROTEINS WITH ACIDS,BASES,SALTS AND HEAVY METALS

5．SHRINKAGE TEMPERATURE OF COLLAGEN

6．MICRO?RGANISMS

7．CURING

8．SOAKING

9．LIMING AND DEPILATION

10．BATING

11．PICKLING

12．ALDEHYDE TANNING

13．QUINONE TANNING

14．CHEMISTRY OF CHROMIUM SALTS

15．CHROME TANNING

16．THEORY OF CHROME TANNING

17．VEGETABLE TANNING

18．THEORY OF VEGETABLE TANNING

19．IRON TANNING

20．ALUM TANNING

21．SYNTANS

22．MISCELLANEOUS TANNAGES

23．NEUTRALIZING

24．FATLIQUORING,OILING AND STUFFING LEATHER AND THE MATERIALS EMPLOYED

25．PHYSICAL TESTING METHODS

AUTHOR INDEX

SUBJECT INDEX