ZOOLOGICAL RESULTS OF A TOUR IN THE FAR EAST. 
PART IV. 
CONTENTS. 
Page 
Brackish -water Polyclads . . . . . , Tokio Kaburaki . . . . . . 183 
{Issued separately August 2gth, 1918.) 
Sponges .. .. ,. N. Annandale, D.Sc, F./l.S.B. .. 193 
(Issued separately August 2gth, 1918.) 
• 
