CONTENTS. 



Page 



267 

 Sowerby's Mineral Conchology 



De la Beck* Selection of Geological Memoirs MM 



A ut. XXXIX.— Literary Announcements 



Art. ^.-Proceedings of Learned Societies :- . ^ 



Royal Society ~ 76 



Linnean Society * " 27Q 



Zoological Club 2gQ 



Geological Society • * 



v Royal Academy of Sciences of Paris 



Art. ILIA.— Scientific Notices .— ^ 



Characters of the Cebrionida: • • - 



Cebrionidce, Slirps III 



Aranea Domestica 



Amphitoite, a Fossil of Vegetable Origin • ■ * »* 



Helix nemoralis, a Carnivorous Animal f '*'*• 



Vitality of Sponges ^ 



Plesiosaurus 



