PREFACE.

CONTENTS.

C HAPTER I. INTRODUCTORY.

C HAPTER II.

C HAPTER III.

C HAPTER IV.

C HAPTER V.

C HAPTER VI.

C HAPTER VII.

C HAPTER VIII.

C HAPTER IX.

C HAPTER X.

C HAPTER XI.

C HAPTER XII.

C HAPTER XIII.

C HAPTER XIV.

C HAPTER XV.

APPENDIX. PASTEUR'S DISCOVERIES.

INDEX.

In Part collected by the late J. G. FENNELL; now largely augmented with manifold matters of singular note and worthy memory by the Author and his friend J. M. D——.