The Cambridge natural history, Vol. 01 (of 10)

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., F.R.S., Fellow of Christ's College, Cambridge; University Lecturer on the Morphology of Invertebrates
VOLUME I
PROTOZOA
By Marcus Hartog, M.A., Trinity College (D.Sc. Lond.), Professor of Natural History in the Queen's College, Cork
PORIFERA (SPONGES)
By Igerna B. J. Sollas, B.Sc. (Lond.), Lecturer on Zoology at Newnham College, Cambridge
COELENTERATA & CTENOPHORA