PARASITOLOGY 
EDITED BY 
GEORGE H. F. NUTTALL, F.R.S. 
QUICK PROFESSOR OF BIOLOGY IN THE UNIVERSITY OF CAMBRIDGE 
ASSISTED BY 
EDWARD HINDLE, Ph.D. 
VOLUME X 1917-18 
% * 
.A' sh 
O: 
CAMBRIDGE 
AT THE UNIVERSITY PRESS 
