IB CONTIiNTS. 



NUMBER v.— MAY. 



Page 

 Obsenrations on the Combinations of Azote and Oxygen. By Thomas 



Thomson, MD. FRS 321 



New Galvanic Apparatus, Theory, &c. By Dr. Hare. (With a Plate.) 329 

 On the Causes, Laws, and principal Phacnomena of Heal, Gases, Gravita- 

 tion, &c. By John Herapath, Esq. {continued) 340 



On the Physiology of the Egg. By John Ayrton Paris, MD 351 



On the Expansion of the Functions/ (;r), f(x, y), /(x, y, 2), &c. By Mr. 



James Adams 359 



On Dr. Prout*s Estimate of Mortality from the Operation of Lithotomy. 



ByJohn Yelloly,MD.FRS. &c 363 



Meteorological Results for Gosport. By Dr. William Burney 364 



Meteorological Register for Kinfauns Castle 372 



Account of an Ascent to the Summit of Mont Blanc. By Capt. Undrell. 373 



Further Observations on Oil and Coal Gas. By Mr. Ricardo 383 



On Capt. Kater s Experiments on the Length of the Pendulum 387 



Proceedings of the Royal Society, April 5, and 12 389 



— Geological Society, Ftb. 16, and March 2 39O 



— — Astronomical Society, April 13 392 



Purple Powder of Cassius 393 



Quantity of Copper raised in Cornwall 394 



Native Hydrate of Magnesia 395 



Results of Experiments wilh a Magnetimeter invented by Mr. Scoresby. . 396 



Dissection of Crystals S97 



New Scientific Books 397 



New Patents 398 



Mr. Howard's Meteorological Journal for March 399 



NUMBER VL-JUNE. 



On the Causes, Laws, and principal Phenomena of Heat, Gases, Gravita- 

 tion, &c. By John Herapath, Esq. (concluded) 401 



Communication from the Rev. H. S. Trimmer respecting Mr. Herapath's 



Experiments 417 



Analysis of Verdigris. By R. Phillips, FRSE. &c 417 



Upon the Gas Blowpipe. By Dr. Clarke 419 



Reply to Dr. Yelloly's Remarks on the Estimate of Mortality from the 



Operation of Lithotomy. By Dr. Prout 426 



Upon a new Blowpipe. By Dr. Clarke 428 



On Oil and Coal Gas 431 



On the Composition of the Prussiates. By Prof. Berzelius {continued). .. 433 

 On the Application of Howard's Fulminating Mercury to the Discharge of 



Ordnance. By Mr. John Deuchar 449 



On the Structure of the Alps, and adjoining Parts of the Continent. By 



Prof. Buckland 450 



Proceedings of the Royal Society, May 3, 10, 17, and 24 468 



