THE

CAMBRIDGE NATURAL HISTORY

EDITED BY

S. F. HARMER, Sc. D., F. R.S., Fellow of King's College, Cambridge; Superintendent of the University Museum of Zoology

AND

A. E. SHIPLEY, M.A., Fellow of Christ's College, Cambridge ; University Lecturer on the Morphology of Invertebrates

VOLUME X

By FRANK EVERS BEDDARD, M.A. (Oxon.), F.R.S., Vice-
Secretary and Prosector of the Zoological Society of
London.

London

MACMILLAN AND CO., LIMITED

NEW YORK: THE MACMILLAN COMPANY

1902

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