Contents. v 



Vlll. Contribution towards a knowledge of the Crenilabri (Ciiv.) of Ireland, 

 including Descriptions of Species apparently new to Science. By 

 William Thompson, Esq. Vice-President of the Natural History 

 Society of Belfast. Plates XIII. and XIV. - Page 442 



No, XII. 

 I. A Revision of the Genera of Bats (Vespertilionidae), and the Description 

 of some new Genera and Species. By John Edward Gray, 

 F. R. S., President of the Botanical Society of London, &c. &c. 483 



II. Account of a Botanical Excursion in the Alps of the Canton of Valais, 

 Switzerland, in August 1835 ; and Catalogue of the Plants collected, 

 with occasional Remarks. By R. J. Shuttlewouth, Esq. (Con- 

 tinued from p. 196,) _ . - _ _ 505 



III. An attempt to ascertain the Fauna of Shropshire and North Wales. By 



Thomas C. Eyton, F. Z. S. - - - 537 



IV. Observations on some New or Obscure Species of Plants. No. 11. 



By G. a. Walker Arnott, LL. D., F. L. S., &c (Continued 

 from page 247,) ... - 543 



REVIEWS AND CRITICAL ANALYSIS. 



No. VIL 

 I. Icones Plantarum, or Figures with brief descriptive characters and re- 

 marks of New or Rare Plants, selected from the Author's Herbarium. 

 By Sir W. J. Hooker, K. H., LL. D., &c. - - 74 



II. Dr Lardner's Cabinet Cyclopaedia. Natural History. Natural History 



and Classification of Birds. By VV. Swainson, Esq. - 75 



III. An Analysis of the British Ferns and their Allies. With Copper-plate 



engravings of every Species and Variety. By George W. Francis, 85 



periodicals. 



Loudon's Magazine of Natural History, . - _ 86 



Companion to Botanical iMagazine, _ _ . gy 



Annales des Sciences Naturelles, - - - _ §9 



Annalen der Physik und Chemie, . _ _ 89 



No. IX. 

 Manuel de Malacologie et de Conchyliologie. Par H. M. Ducrotay de 



Blainville. 

 Manuel de I'Histoire Naturelle des Mollusques et de leur Coquilles. Par 



M. Sander Rang. 

 The Genera of Recent and Fossil Shells ; for the use of Students in Con- 



chology and Geology. By George Brettingham Sowerby. 

 The Elements of Modern Conchology ; with Definitions of all the Tribes, 



Families, and Genera, Recent and Fossil. For the use of Students and 



Travellers. By William Swainson, Esq. 

 Elements of Conchology, according to the Linneean System, illustrated by 



28 plates drawn from Nature. By the Rev. E. I. Burrow, A. M. 



F. L. S. . - - . . 238 



