TEEATISE ON ZOOLOGY 



EDITED BY 



SIR KAY LANKESTER 



K.C.B., M.A., LL.D., F.R.S. 



HONORARY FELLOW OF EXETER COLLEGE, OXFORD; CORRESPONDENT OK THE INSTITUTE 



OK FRANCE; LATE DIRECTOR OF THE NATURAL HISTORY DEPARTMENTS 



OF THE BRITISH MUSEUM 



PART I 



INTRODUCTION AND PROTOZOA 



FIRST FASCICLE 



BY 



S. J. HICKSON, F.R.S. 



PROFESSOR OF ZOOLOGY, VICTORIA UNIVERSITY OF MANCHESTEtt 



J. J. LISTER, F.R.S. 



FELLOW OF ST. JOHN'S COLLEGE, CAMBRIDGE 



F. W. GAMBLE, D.Sc., F.R.S. 



ASSISTANT DIRECTOR OF THE ZOOLOGICAL LABORATORIES, AND 

 LECTURER IN ZOOLOGY, UNIVERSITY OF MANCHESTER 



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



DIRECTOR OF COLOMBO MUSEUM, CEYLON 



H. M. WOODCOCK, D.Sc. 



ASSISTANT TO THE PROFESSOR OF PROTOZOOLOGY IN THE UNIVERSITY OK LONDON 



THE LATE W. F. R. WELDON, F.R.S. 



LINACRE PROFESSOR OF COMPARATIVE ANATOMY, OXFORD 

 AND 



E. RAY LANKESTER, K.C.B., F.R.S. 



Reprint A.ASHER & CO. Amsterdam 1964 



