CONTENTS. Vll 



Page 



Composition of Rhubarb 469 



Rocks of Mont Blanc 469 



Granulation of Copper 469 



Analysis of Indian Corn 470 



On the Iodide, Oxides, and Chlorides of Gold 470 



New Scientific Books ......*... 471 



New Patents 472 



Mr. Howard's Meteorological Journal for April 473 



Index , 475 



PLATES IN VOL. I. (New Series.) 



Plate Page 



I. — A remarkable Stratum of Limestone situated at Calder Side 23 



II. — Pratt's new Clinometer 43 



III. — Apparatus for discharging Ordnance 89 



IV .-^Action of Crystallized Bodies on Homogeneous Light 120 



V. — Van Marum on Franklin's Theory of Electricity 184 



On some new Minerals from Finland 234 



VI.— New Method of constructing geometrically the Cases of Spherical 



Triangles 26o 



VIL — ^Dr. Hare's Galvanic Apparatus ^ 330 



ADVERTISEMENT. 



*^* AJeix) Copies of the first Series of the Annals of Philosophy may 

 he had hy application to the publishers^ or to any bookseller. It consists 

 of Sixteen Volumes ^ havi^ig commenced with the year 1813. - 



