CONTENTS. V 



Page 

 Cavity of the Body of Invertebrate Animals, by M. A. de Quatre- 

 fages; Early Flowers; Dr. Grant, F.R.S. ; Meteorological Obser- 

 vations and Table 152—160 



NUMBER LI. 



XIII. On the Gangetic Dolphin. By Dan. Fred. Eschricht, 

 Professor at the University of Copenhagen. From the Danish by 

 Dr. Wallich, F.R.S. (With three Plates.) 161 



XIV. Observations on the Olfactory Apparatus in the Bullida. By 

 Albany Hancock, Esq 188 



XV. On a new British species oi Lepton. By William Clark, 

 Esq 191 



XVI. Enumeration of some Fungi from St. Domingo. By the Rev. 



M. J. Berkeley, M.A., F.L.S. (With a Plate.) 192 



XVII. Descriptions of two new British genera of Insects, and of 

 two new species, belonging to the family CurculionidcB. By John 

 Walton, F.L.S 204 



XVIII. On the Cassidulidce of the Oohtes, with descriptions of 

 some new species of that family. By Thomas Wright, M.D. &c. 206 



XIX. Observations on Professor Loven's Homologies of MoUusca. 



By J. E. Gray, F.R.S., V.P.Z.S. &c 215 



XX. Observations on the Affinities of the IcacinacecB. By John 

 MiERS, Esq., F.R.S., F.L.S 218 



New Books .- — The British species of Angiocarpous Lichens, elucidated 

 by their Sporidia, by the Rev. W. A. Leighton, B.A. — Nereis 

 Boreali- Americana ; or Contributions towards a History of the 

 Marine Algse of the Atlantic and Pacific Coasts of North America, 

 by William Henry Harvey, M.D., M.R.I.A. &c. Part I. Mela- 

 nospermecB 226—231 



Proceedings of the Zoological Society j Botanical Society of Edin- 

 burgh 231—240 



Note on a Monstrosity observed in the Cockchafer (Melolpntha vul- 

 garis), by M. Lereboullet, M.D. ; Description of a new species of 

 Macgillivrayia, by A. Adams, F.L.S. ; On the Anatomy and Phy- 

 siology of Salpa and Pyrosoma, by Thomas H. Huxley, F.R.S. ; 

 Larus glaucus, by William Thompson ; Algae taken in Cork Har- 

 bour or along the coast during the Summers of 1850 and 1851, 

 by J. Carroll; Anatomical Observations on the Dasyurus {Sarco- 



