CONTENTS. 



XTV. On Canals. jBv Thomas Telford, E/^. Page'jJ 

 XV. Proceedings of Learned Societies - - 80 



XV r. Intelligence and JSliJccllaneous Articles - 89 



XVII. DeJcripiio7i of Mr. Pepys's large Galvanic Ap- 

 paratus - - - 94 

 XVI IT. An Effay on the Method of deterviining the Difference 

 of Longitude hetiueen Places at Land, from the objcrved 

 Tranfts of the Moon over their JSleriJians ; ivith a De~ 

 monjlratjon and Exawple. By Mr. Gavin Lowe 97 



XIX. On the Preparation of the Hyacinthus non fcriptus, or 

 common Blue-hell, as a Suhjlitule for Gum- Arabic. By 

 J\lr. Th o m a s W I l 1. 1 s , of Li?ne- Street, London 1 03 



XX. On the Edulcoration of Fi/h-Oil. By Robert Dos- 

 siE, Ef<^. - - - 105 



yiXL On Painting. By Mr. E. Day BS, Painter 115 



XXII. Memoir on the comparative Anatomy of the EleSlric 

 Orga2is of the Torpedo, /Zv Gvmnotus cleftricus and Si- 

 lums electricus. ./?)' E. GEOFru,oy - . 126 



XXIII. On Indian Dogs. By Dr. Barton, of Philadelphia 



136 



XXIV. A Jhort Account cf the Improvement in Circular Ar- 

 chite^ure made ly ColonelTATHAM - 143 



XXV. On the Freezing Point of Tin, and the Boiling Point 

 of Mercury ; ivith a Defcription of a SelfregijLring Ther- 

 mometer invented ly Mr. James Cr^ichton, of Glaf- 

 go-w - - - ' - 147 



XXVI. Memoir on the Chemical Nature of Ants, and the 

 finmltaneous Exijlcnce of two Vegetable Acids in thefe In- 

 fers. By A. F. t^ouRCROv - - 148 



XXVII. On the Property which the Acetic Acid poffeffes of 

 difpAving Camphor and various effhitial Oils 156 



XXVIII. A general View of the Coal Mines worked in 

 France, of their different ProduBs, and the Means of circu- 

 lating them. By C. Lefebvre, Member of the Council 

 of Mines, of the Philoma tic Society, cSc. &'c. jc5 



XX TX. Sketch of the General lHjlory of Mining 164 



XXX. On the Converflon of Grafs Land into Tillage, d^c. 



1 67 



XXXI. Ih/lory of Ajlroiioviy for the Year 1802. Bead in the 

 Alhemeum of Pans, Dec. 30, /y .Terome Lalande 172 



XXX f I. Notices refpe£ling New Books - 780 



XXXI [I. Proceedings of Learned Societies - 181 

 XXXIV. Intelligence and Mi/cellaneous Articles 190 

 XXXV^. Lett, r from Dr; Barton to Profefjir TLxuukk- 



MANN, on the fajcinating Faculty which has been ajcrihed 

 to the Battlfnakc, and other American Serpents 193 



XXXV I, Ob^ 



