IV CONTENTS. 



NUMBER VIII. 



Page 



VIII. On the Structure and Position of the genus Teredina of 

 Lamarck. By Dr. J. E. Gray, F.R.S., V.P.Z.S. &c 85 



IX. On the Spermatology of a new species of Nais. By H. J. 

 Carter, Esq., H.C.S. Bombay 90 



X. Note on the smaller British species of Pisidium. By the Rev. 



L. Jenyns, M.A., F.L.S.&c 104 



XI. On the Nature of the Sub-basal Membrane of Adamsia palliata. 



By Philip Henry Gosse, F.R.S 107 



XII. On the Winteracece. By John Miers, F.R.S., F.L.S. &c. . 109 



XIII. Observations on the genera Camptonyx and Tanysiphon of 

 Benson. By Dr. J. E. Gray, F.R.S., V.P.Z.S. &c 116 



XIV. Gleanings in British Conchology. By J. Gwyn Jeffreys, 

 Esq., F.R.S. (With a Plate.) 117 



XV. Observations on Conchological Nomenclature. By M. 



O. A. L. Morch 133 



New Book : — The Aquarian Naturalist : a Manual for the Sea-side ; 

 by Thomas Rymer Jones, F.R.S. &c 139 



Proceedings of the Zoological Society 144 — 162 



Further Observations on the genus Teredina, Lamarck, by Dr. J. E. 

 Gray, F.R.S. &c; On the Variation of the Form of the Upper 

 Mandible in a Rapacious Bird, by P. L. Sclater, Esq., M.A. ; 

 On the Metamorphosis of Praniza into Anceus ; On the Power 

 of Dissolving Shells possessed by the Bernard Crab {Pagurus), 

 by Dr. J. E. Gray, F.R.S. &c 162—164 



NUMBER IX. 



XVI. On Praniza and Anceus, and their Affinity to each other. 



By C. Spence Bate, F.L.S. &c. (With two Plates.) 165 



XVII. Remarks on Lepas anatifera, Linn. By George Law- 

 son, Ph.D 172 



XVIII. Descriptions of new Ceylon Coleoptera. By John Niet- 

 ner, Colombo, Ceylon 175 



XIX. On a new species of Lardizabala, and on the Structure of 

 the Seed in that genus. By John ]SIiers, F.R.S., F.L.S. &c 183 



XX. Characters and Descriptions of some new British Sea- Ane- 

 mones. By Philip Henry Gosse, F.R.S 192 



XXI. Description of a Coleopterous Insect from the Canary Islands. 



Bv T. Vernon Wollaston, M.A., F.L.S 196 



