THE INVERTEBRATA 



tA Manual for the Use of Students 



by 

 L. A. BORRADAILE 



Fellonjo of Sekvyn College, Cambridge 



and 

 F. A. POTTS 



Fellwo of Trinity Hall, Cambridge 



with Chapters by 

 L. E. S. EASTHAM 



Professor of Zoology in the Uni-versity of Sheffield 



and 



J. T. SAUNDERS 



Felloe of Christ's College, Cambridge 



SECOND EDITION 



NEW YORK: THE MACMILLAN COMPANY 

 CAMBRIDGE, ENGLAND: AT THE UNIVERSITY PRESS 



1935 



