CONTENTS

PAGE
LIST OF ILLUSTRATIONS[ix]
PREFACE[xi]
I.DESCRIPTION OF THE PUERING AND BATING PROCESS [1]
II.THE CHEMISTRY OF BATING[23]
III.THE PHYSICS OF BATING[55]
IV.THE BACTERIOLOGY OF THE BATE[87]
V.ACTION OF ENZYMES[127]
VI.ORIGINAL PAPERS ON BATING[147]
VII.ARTIFICIAL BATES[178]
VIII.PATENTS[193]
IX.DRENCHING[233]
X.ORIGINAL PAPERS ON DRENCHING[246]
XI.BIBLIOGRAPHY[282]
CONCLUSION[292]
INDEX[295]