CONTENTS. 



PLATES IN VOL. XIIL 



Plate I 1 



J J* >^ Freshwater Rhizopoda of England and Indi 



Yy' rNew British Ostracoda. 



^•1 

 VL ^Development and Structure of the Vegetable Cell. 



vn.J 



VIIL New Species of Ilysena from the Red Crag of Suffolk 

 IX 



X. i'New British Hydrozoa, Actinozoa, and Polyzoa. 

 XI 



1" 



XII 1 . . 



YTTT 1^^^ British Pycnogonoidea. 



XIV. Structure of Aglaophsenia pluma and Antennularia antennina. 



XV. 1 

 XVT [Structure of the Difflugian Rhizopods. 



XVII. Red Crag, Fluvio-marine Crag, and Drift of the Eastern Coun- 

 ties. 

 XVIII. 1 J 



