THE DARWINIAN THEORY

By the same Author.

THE FROG.

An Introduction to Anatomy, Histology and Embryology. Fifth Edition. 1894. 45.

MANCHESTER: J. E. CORNISH.

A JUNIOR COURSE OF PRACTICAL
ZOOLOGY.

In conjunction with C. HERBERT HURST, Ph.D.,
Demonstrator and Assistant-Lecturer in

Zoology at Owens College.
Third Edition. 1892. 10s. 6d.

VERTEBRATE EMBRYOLOGY.

A Text-book for Students and Practitioners.
First Edition. 1893. 215.

LONDON: SMITH, ELDER & CO., 15 WATERLOO PLACE.

BIOLOGICAL LECTURES AND ADDRESSES.
Edited by C. F. MARSHALL, M.D., B.Sc., F.R.C.S.
First Edition. 1894. 6s.

LONDON: DAVID NUTT 270-271, STRAND.

THE

JOHN CRERAR

LIBRARY

THE

CRER:

LECTURES LIBRARY

ON THE

DARWINIAN THEORY

DELIVERED BY THE LATE

ARTHUR MILNES MARSHALL

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

PROFESSOR OF ZOOLOGY IN OWENS COLLEGE
FORMERLY Fellow of st. jOHN'S COLLEGE, CAMBRIDGE

EDITED BY

C. F. MARSHALL

M.D., B.SC., F.R.C.S.

WITH 37 ILLUSTRATIONS

MOSTLY FROM ORIGINAL DRAWINGS AND PHOTOGRAPHS

CHEAP REISSUE

LONDON

DAVID NUTT, 270-271, STRAND

1897