426 
Index of Subject* 
PAGE 
VERMES 
. Trematoga ( continued ) 
Gercaria leptoderma .255 
. nervosa .251 
. plana .250 
protifera .262 
serpens .253 
. slylobuccalis .257 
. styloidea .258 
syringicauda .251 
see Schistosoma 
Schistosoma, differentiation of allied species.245 
Tetracotyle sogdiana n. sp. in Schizothorax (fish).309 
Xenopsylla, see Insecta, Siplionaptera 
PRINTED IN ENGLAND BY J. B. PEACE, M.A. AT THE CAMBRIDGE UNIVERSITY PRESS 
