CONTENTS. VU 



Proceedings of the, ]Eloyal .Iiistitution ; Zoo)jpgi{?^l Spcietjf ,„ ^...^ |^^ — 418 



On the Nervures of Leaves and their Distribution, by L. von Buch ; 

 On the Occurrence of lai'ge quantities of the Shells of Anodonta 

 cygnea on the sea-coast near Sandgate, by Francis Brent, Esq. ; 

 Description of a new genus of GorgoniadtB, by J. E. Gray, Ph.D., 

 F.R.S., P.B.S. &c. ; Note on a new species of Francolin, by Dr. 

 Nicholson, H.E.I.C. Medical Service ; Meteorological Observa- 

 tions and Table 418 — 424 



NUMBER LXVI. 



XXXVIII. Description of Orbitolites Malabariea (H. J. C), illus- 

 trative of the Spiral and not Concentric Arrangement of Chambers in 

 D'Orbigny's Order Cyclostegues. By H. J. Carter, Esq., Assistant 

 Sm'geon, Bombay EstabUshment. (With a Plate.) 425 



XXXIX. Remarks upon British Plants. By Charles C. Babing- 

 TON, M.A., F.R.S., F.L.S. &c 427 



XL. Further Observations on the Animal of Diplommatina (inclu- 

 dmg a Note by Capt. T. Hutton). By W. H. Benson, Esq 433 



XLI. On the Genera of the Tribe Duboisieee. By John Miers, 

 Esq., F.R.S., F.L.S 435 



XLII. Notes on some British Zoophytes. By Wyville Thomson, 

 F.R.P.S. &c.. Lecturer on Botany, Univ. and Marischal College, 

 Aberdeen. (With a Plate.) 442 



XLIII. Observations on Relative Position j including a new Arrange- 

 ment of Phanerogamous Plants. By B. Clarke, F.L.S. &c. (With 

 three Plates.) 444 



XLIV. On some points relating to the Structure and Mechanism 

 of the Wolf-fish (Anarrhichas Lupus). By Edwards Crisp, M.D. . 463 



Proceedings of the Zoological Society ; Botanical Society of Edin- 

 burgh j Entomological Society 466 — 481 



On the Reproduction of Frogs and Toads without the intermediate 

 stage of Tadpole, by the Rev. L. Jenyns ; Researches on the 

 Fecundation and Formation of the Embryo in the Hepaticse and 

 Ferns, by H. Philibert j Mode of Determining the Optical Power 

 of a Microscope, by Professor Harting of Utrecht ; Marine Vivaria, 

 by William Thompson ; Labidocera magna, by J. Lubbock ; Ob- 

 servations on the Anatomy of the Antennae in a small species of 

 Crustacean, by John D. M'Donald, M.D., Assistant Surgeon to 

 H.M.S.V. Torch ; Meteorological Observations and Table. 482 — 490 



Index 491 



