CONTENTS. VU 



Page 



Proceedings of the Royal Society, Nov. g, and l6 453 



— — Linnean Society, Nov. 7, and 21 455 



______^ Royal Geological Society of Cornwall 455 



, _— Philosoplitcal Society of Harlem 4i() 



Gelatine from Bones. By Mr. John Murray 466 



Naphtha in Coal. By the Same 466 



Primitive Conglomerate. By the Same 466 



Insular Climate. By the Same ^ 46r 



Galvanism. By the Same 46? 



Arctic Expedition '. 468 



New Scientific Books 469 



New Patents 46g 



Col. Beaufoy's Astronomical, Magnetical, and Meteorological Observa- 

 tions, for October 470 



Mr. Howard's Meteorological Journal for October ■. 473 



Index 475 



PLATES IN VOL. XVL 



Plate Page 



CVI. — State of the Thermometer, Barometer, and Wind, at Cork, 



for October, November, and December, I8I9 152 



CVIL— Rain Gauge 177 



On the Mathematical Principles of Chemical Philosophy 181 



On Mesotype, Needlestone, and Thomsonite I93 



CVIII.— Bonaparte's Fly Bridge on the Scheldt, at Antwerp 270 



CIX. — On the Mathematical Principles of Chemical Philosophy 352 



New Electromagnetic Apparatus 375 



Ventilation of Mines , 378 



ex. — Electrical Phenomenon 443 



