IV 
CONTENTS. 
XXVI. Plane Strain in a Wedge, with Applications to Masonry 
Dams. By S. D. Carothers, A.R.C.Sc.L ( Communicated 
by The General Secretary) ..... 292 
{Issued separately September 5, 1913.) 
XXVII. On some Pseudo-hermaphrodite Examples of Daphnia 
pulex. By J. H. Ashworth, D.Sc., Lecturer in Inverte- 
brate Zoology in the University of Edinburgh . . 307 
{Issued separately September 5, 1913.) 
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