CONTENTS. v 



JUNE, .1809. 



Engravings of the following Objects: 1. Mr. Samuel Clegg's Apparatus far 

 inaking Carburetted Hidrogen Gas from Pitcoal : 2. His Lamp for burning 

 the Gas: 3. Different Insects, called Wireworms, that destroy Wheat: 4. The 

 Nasal Membranes of two Species of Horseshoe Bat. 



I. Observations on the Natural History of the Divers. In a Letter from Patrick. 

 Neil, Esq., Secretary to the Wernerian Natural History Society 81 



II. Description of an Apparatus for making carburetted Hidrogen Gas from Pit- 

 coal, and lighting Manufactories with it. By Mr. Samuel Clegg, of Man- 

 chester r ----- 85 



JII. A cheap Method of Preserving Fruit without Sugar, for Domestic Uses or 

 Sea Stores. By Mr. Thomas Saddington, No. 73, Lower Thames Street 89 



IV. On Reclaiming Waste Lands. By Mr. WagstafTe 95 



V. Account of Waste Land improved, by J. Butler, Esq., of Bramshott, in 

 Hampshire 98 



VI. Some Observations on an Insect that destroys the Wheat, supposed to be 

 the Wireworm. By Thomas Walford, Esq., F. A. S. and L. S. With an ad* 

 ditional Note, by Thomas Marsham. Esq. Treas. L. S. 102 



VII. An Account of the larger and lesser Species of Horseshoe Bats, proving 

 them to be distinct; together with a Description of Vespertilio Barbastellus, 

 taken in the South of Devonshire. By George Montagu, Esq., F. L. S. 106 



VIII. An Account of the Method of hastening the Maturation of Grapes. By 

 John Williams, Esq., in a Letter to the Right Honourable Sir Joseph Banks, 

 Bart. K.B. P. R. S. &c. - - - 116 



IX. An Essay on Manures. By Arthur Young, Esq., F. R. S. - 120 



X. On the Construction of Theatres. In a Letter from Richard Lovell Edge- 

 worth, Esq., F. R. S. and M, R. I. A. - - 129 



XI. Plan for Preventing or Suppressing Fires. In a Letter from a Cor- 

 respondent --..-- 137 



XII. On the Method of taking Transit Observations. In a Letter from a Cor- 

 respondent, with a Reply by W.N. - 139 



XIII. Examination of the Root of Calaguala: by Mr. Vauquelin - 141 



XIV. On the Chemical Nature of the Smut in Wheat. By Messrs. Fourcroy 

 and Vauquelin - - - - - 14t> 



XV. Of the Action of Nitric Acid on Cork; by Mr. Chevreul - 149 



XVI. Method of fabricating artificial Stone employed in the Vicinity of Dun- 

 kirk. By Mr. Bertrand, Apothecary to the Army of the Coast. - 154 



XVII. Letter from Mr. Link, Professor of Chemistry at Rostock, to Mr. Vogel 



155 

 Scientific News - - - - - -156 



Aleteprological Journal r * - * • 160 



JULY, 



