VJ CONTENTS. 



Page 

 Mr. Children's Summary View of the Atomic Theory according to the 



Hypothesis adopted by M. Berzelius (continued) 336 



Col. Beatjfoy's Astronomical Observations 358 



Mr. Powell's Remarks on Light and Heat from Terrestrial Sources, and 



on the Theory of the Connexion between Light and Heat 359 



Mr. Phillips's Analysis of Tartarized Antimony 372 



Mr. Mill on changing the Residence of Fishes 379 



Rev. Mr. Emmetlon the Solar Spots 381 



Proceedings of the Royal Society 385 



Linnean Society , 385 



_^_— — — — Astronomical Society 383 



____— _^.— .^— Geological Society 387 



Cold produced by the Combination of Metals 389 



Conversion of Gallic Acid into Ulmin by Oxygen Gas 39O 



Formic Acid.— Formic Ether 39O 



Table of the Specific Gravities of several Minerals 39 1 



New Scientific Books 397 



New Patents 898 



Mr. Howard's Meteorological Journal 399 



NUMBER VL— JUNE. 



Mr. Powell's Additional Experiments and Remarks on Light and Heat. . 401 

 Mr. Gray on some Species of Shells not taken Notice of by Lamarck. 



(conch(ded), 407 



Dr. Henry on the Action of finely divided Platinum on Gaseous Mixtures, 



and its Application to their Analysis 4l6 



Col. Beaufoy's Astronomical Observations 430 



Mr. Gray on the Chemical Composition of Sponges 43 1 



On the Red Colour of Crystallized Felspar 432 



Explanation of the Theory of the Barometrical Measurement of Heights. 434 



Alphabetical Table of the Weights of Atoms, according to Berzelius 439 



Analysis of the Safety Lamp ; by Sir H. Davy 454 



Proceedings of the Royal Society 46l 



.^— — — Geological Society 465 



New Scientific Journal 469 



New Magnetic Phenomenon 470 



Hyaena Caves in Devonshire 470 



Quantity of Blood in Animals 47 1 



New Scientific Books 47 1 



New Patents 472 



Mr. Howard's Meteorological Journal 473 



Index '• 475 



