Francis M. Balfour

M. FOSTER, F.R.S.,

ADAM SEDGWICK, M.A.,

Transcriber's note:

This book contains many abbreviations. Abbreviations of words have been expanded using the title attribute; screenreader users may wish to set their computer to read only the title attribute. Abbreviations used to identify parts of illustrations are spelled out.

THE WORKS

OF

FRANCIS MAITLAND BALFOUR.

VOL. IV.

Memorial Edition.

Cambridge:

PRINTED BY C. J. CLAY, M.A. AND SON,
AT THE UNIVERSITY PRESS.

Memorial Edition.

THE WORKS

OF

FRANCIS MAITLAND BALFOUR.

M.A., LL.D., F.R.S.,

FELLOW OF TRINITY COLLEGE,
AND PROFESSOR OF ANIMAL MORPHOLOGY IN THE UNIVERSITY OF
CAMBRIDGE.

EDITED BY