AN INTRODUCTION TO THE 

 STUDY OF THE 



COMPARATIVE ANATOMY 

 OF ANIMALS 



BY 



GILBERT C. BOURNE, M.A., D.Sc., F.L.S., F.Z.S. 



Fellow of Mcrton College and Linacre Professor of Comparative 

 Anatomy in the University of Oxford 



VOL. I. > 



ANIMAL ORGANISATION. THE 

 PROTOZOA AND CCELENTERATA 



SECOND EDITION, REVISED 



LONDON 



GEORGE BELL & SONS 

 1909 



