CRUSTACEA
Reading edition
CHAPTERS I and III-VII
BY
GEOFFREY SMITH, M.A. (Oxon.)
Fellow of New College, Oxford
CHAPTER II
BY
The Late W. F. R. WELDON, M.A. (D.Sc. Oxon.)
Formerly Fellow of St. John’s College, Cambridge, and Linacre Professor of Human and Comparative Anatomy, Oxford
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