CONTENTS. IX 



Salwey, T. 



Remarks upon the Sound produced by Snails crawling upon 

 Glass ----..-_ 107 



Shuckard, W. E. 



On Generic Nomenclature ----- 248 



Description of a new British Wasp ; with an Account of its De- 

 velopement from the Larva to the Imago - 490 



Description of a new Species of Sirex discovered to attack and 

 destroy the Spruce Fir - - - . - - 630 



Sidmoutk, Viscountess. 



Communication respecting the Discovery of a Fossil Crocodile 

 at Whitby - ----- 531 



Skaife, John. 



Notice of a Sandpiper shot in August - - - - 555 



Record of a Stormy Petrel being found dead near Blackburn - 355 

 Smith, Andrew, M.D. 



Characters of a new Form in the Fringillidse ; with a Description 

 of the only Species yet referrible to it - - - 535 



Smith, William, LL.D. &c. 



Notice of a Method of readily distinguishing between minute 

 Grains of Quartz and Mica ----- 386 



Observations on Coal-rinding - 464 



Sowerby, George Bettingham, F.L.S., &c. 



On the Form of the Crystals of Oxydulous Copper - - 168 



On Nematura, a new Genus of Univalve Shells - - -217 



Some Observations on Mr. Stutchbury's proposed new Genus of 

 Univalve Shells, Cypraecassis - - 366 



Additional Remarks on Mr. Stutchbury's proposed Genus Cy- 

 praecassis - - - - - - -431 



Stanway, H. 



Notice of Aurora Borealis, as seen at Brookfield, near Man- 

 chester * 635 

 Strickland, Hugh Edward, F.G.S., &c. 



On the Mode of Progression observed in the Genus Lima - 23 



On the Inexpediency of altering established Terms in Natural 

 History - - - - - - - -127 



Rules for Zoological Nomenclature - - - - - 173 



On the Errors which may arise in computing the relative Anti- 

 quity of Deposits from the Characters of their embedded Fossils - 234 

 Stutchbury, Samuel, A.L.S. 



On Cypraecassis, a proposed new Genus of Univalve Shells, 

 for the Reception of certain Species of Brugiere's Genus Cassis - 214 

 Additional Remarks upon the proposed Genus Cypraecassis - 470 



Tatem, James G. 



Notice of a Singular Auroral Light seen at Wycombe - - 221 

 Templeton, Robert. 



Irish Vertebrate Animals : selected from the Papers of the late 

 John Templeton, Esq., Cranmore - 403 



Waterhouse, G.R., M.E.S.,&c. 



Observations on the Palm Squirrel (Sciurus palmarum of Au- 

 thors) - - - - 496 



Description of a new Species of the genus Manticora, captured 

 in South Africa, by Dr. Andrew Smith - - - - 503 



Webster, W. H. " "'^ VoqiL iiWadG 



On the contemporaneous Deposition of Salt and Gypsum in the 

 Island of Ascension ------ 277 



Weissenborn, Dr. 



Remarks on the Habits and Economy of the common Fox - 507 



Vol. I. n. s. a 



