IMIS

THE TUNICATA WITH AN ACCOUNT OF THE BRITISH SPECIES BY N. J. BERRILL, PH.D., D.Sc.(London), F.R.S.C. (Strathcona Professor of Zoology, McGill University, Montreal) LONDON PRINTED FOR THE RAY SOCIETY SOLD BY BERNARD QUARITCH, LTD. 11, GRAFTON STREET, NEW BOND STREET, LONDON, W. 1 1950 THE BRITISH MYSIDACEA BY THE LATE PROFESSOR W. M. TATTERSALL, D.Sc., AND OLIVE S. TATTERSALL, B.Sc. LONDON PRINTED FOR THE RAY SOCIETY SOLD BY BERNARD QUARITCH, LTD. 11, GRAFTON STREET, NEW BOND STREET, LONDON, W.1. 1951 BRITISH SPIDERS by G. H. LOCKET, M.A. (OXON.), M.Sc. (LOND.), F.Z.S. & A. F. MILLIDGE, Ph.D., B.Sc. (LOND.) VOL. I with a frontispiece and 142 figures in the text Dedicated to the Memory of Dr. A. Randall Jackson, whose teaching, help and encouragement in past years has enabled us to write this book.