CONTENTS. 



Page 



Soaerby''s Mmeral Conchology 267 



De la Beche's Selection of Geological Memoirs Ibid. 



A iiT. XXXIX. — Literary Announcements 268 



Art. XL. — Proceedings of Learned Societies : — , 



Royal Society 269 



Linnean Society 276 



Zoological Club 279 



Geological Society 280 



V Royal Academy of Sciences of Paris 281 



Art. XLI. — Scientific Notices : — 



Characters of the CebrionidoB 282 



Cebrionidce, Stirps III 283 



Aranea Domcstica Ibid. 



Amphito'ite, a Fossil of Vegetable Origin 284 



Helix nemoralis^ a Carnivorous Animal ? Ibid. 



Vitality of Sponges 285 



Plesiosaurus 287 



