iv CONTENTS. 



Page 



X. Notices of British Fungi. By the R«v. M. J. Berkeley, M.A., 

 F.L.S., and C. E. Broome, Esq. (With three Plates.) 95 



XI. Descriptions of five new species of Heliic from the Cape of Good 

 Hope, with remarks on the known South African species, and a notice 



of several Cape Limaces. By W. H. Benson, Esq 10^^ 



. Xll. On the Muricidce. By William Clark, Esq 108 



XIII. Descriptions of some new p;enera and species of Spatangida 

 in the British Museum. By J. E. Gray, Esq., F.R.S., P.B.S. &c. ... 130 



New Books —The Dynamical Theory of the Earth, by Archibald 



Tucker Ritchie l^"* 



Proceedings of the Zoological Society ; Botanical Societji of Edin- 



biu-gh 138— 15G 



Thalassema Neptuni ; Victoria Regia ; List of Spiders captured by 

 F. Walker, Esq. ; On the Circulation and Digestion in the lower 

 Animals, by Prof. Agassiz; Meteorological Observations and 

 Table 156-lfiO 



NUMBER XXXIX. 



XIV. Note on some Bones and Eggs found at Madagascar, in recent 

 Alluvia, belonging to a gigantic Bird. By M. Isidore Geoffroy- 

 Saint-Hilaire 161 



XV. Descriptions of some new Mountain Limestone Fossils. By 

 Frederick M'Coy, Professor of Geology and Miueralogy in Queen's 

 College, Belfast 167 



XVI. Notices of British Fungi. By the Rev. M. J. Berkeley, 

 M.A., F.L.S., and C. E. Broome, Esq. (With three Plates.) 176 



XVII. On Dr. Nardo's Classification of the Spongite, and further 

 notices of the Spongilla fiuviatilis. By John Hogg, Esq., M.A., 

 F.R.S., F.L.S. &c 190 



XVIII. On the genus Je^7-ey«a. By Joshua Alder, Esq 193 



XIX. Contributions to the Botany of South America. By John 

 MiERS, Esq., F.R.S., F.L.S 196 



XX. Descriptions of some new sj)ecies of Exotic Homopterous In- 

 sects. By J. O. Wkstwood, F.L.S. &c 207 



XXI. Notes on Chalcidites, and descriptions of various new species. 



By Francis Walker, F.L.S 210 



