IV. Some 

 Climate 



^\ ^ CONTENTS. 



NOVEMBER, 1807. 



■Enirravmgs of the following Objects: 1. Mr. Salmon's Geometrical Quadrant 

 and Staff: 2. Mr. John Prior's Larum for Pocket Watches. 



L Facts towards a History of Pit-coal. By Professor Proust. - 161 



11. Abstract of a Memoir on Muriatic Ether, read at the Institute February the 

 nth, 1807, by Mr. Thenar d ----- 17<5 



in. Abstract of a Memoir on the Products that result from the Action of Metallic 

 Muriates, oxigenized iMuriatic Acid, ajid Acetic Acid, on Alcohol. By Mr. 

 Tbenard . • - - - - 183 



Hints respectinjT the proper Mode of inuring Tender Plants to our 

 . By the Right Hon. Sir Joseph Banks, liart. K. B. P. R. S. &c. 186 



V. Observations on the MetlM>d of producing new and early Fruits. By Thomas 

 Andrew Knight, Esq. F.R.S. &c. . - - 189 



Vf. Memoir on the Desulphuration of Metals. By Mr. Gueniveau, Engineer 

 of Mines - - - - - - 197 



VII. Heights of various Places d^ermrned by tlie Barometer, in the Course of 

 seveial Tours through France, Switzerland/ and Italy. By F. Berger, M. D. 

 of Geneva - - ■* - - - 210 



VI n. A new Method oi classing the Hymenopterous and Dipterous Insects. 

 By L, Jurine, Correspondent of tiie Institute, Professor of Anatomy, &c. 218 



|X Description and Manner of using Mr. Robert Sahuon's Geometrical Plot- 

 ting Quadrant, Level, and Calculator, for the IJse of Navigation and Land- 

 Surveying; ascertaining inaccessible Distances, and demonstrating and deteB- 

 ipining various Problems in Geou^etry and 1 rigonomctry - 21^ 



X. Description of a Larum applicable to any Pocket Watch, By Mr. John 

 Prior, of Nesslicld, nearSkipton, in Craven' - - 22S 



Xf. Observations on .the Combination of fixed Oils wilh the Oxides of Lead, 

 and with Alkalis. By Mr. F. Fremy, Apothecary, of Versailles 231 



;^Il. Account of a pretended pure native Magnesia ^ - 23S 



XIII. Some remarkable Occurrences in Natural History, From the Rev. James 

 Hall's Travels in.Scotland - - ^ - 23Q 



XIV, Facts respecting Indian Corn. By Professor Proust ^ 233 



DECEMBER, 



