CONTENTS. VU 



Page 

 On tire Crystalline Forms of Artificial Salts. By H. J. Brooke, Esq. 



FRS 449 



Astronomical Observations. By Col. Beaufoy, FRS 452 



Analytical Account of Prof. Barlow's Essay on Magnetic Attractions, &c. 453 



Proceedings of the Royal Society, April 17, 24, May l, 8, and 15 461 



Linnean Society, April 1, 15, and May 6 46g 



Geological Society, May 2, and 16 » 469 



Action of Phosphorus and Water 470 



Phosphate of Uranium. « 470 



On the Question as to the Existence of Metallic Veins in the Transition 



Limestone of Plymouth 47 1 



New Scientific Books 471 



New Paten ts 472 



Mr. Howard's Meteorological Journal for A pril 473 



Index 475 



PLATES IN VOL. V. (New Series.) 



Plates. Page 



XIX. — Geological Map of the principal European Mountain Chains. . . . 1 



XX. — Electromagnetic Apparatus 436 



On Magnetic Attractions 455 



