CONTENTS. Vll 



PAGE 



No. IV.— April. 



I. Biographical Account of M. Desfontaines. By Aug. Pyr 



DeCandolle . . 242 



II. An Abstract of some Researches on the Repulsion produced 



between Bodies by the Action of Heat, with Additional 

 Observations. By the Rev. Baden Powell, &c. . . 250 



III. On Spirits. By Andrew Steel, M.D. (continued) . . 255 



IV. Notice of Some Recent Improvements in Science . . . 265 



Mineralogy ib* 



Meteoric Stones 2 79 



Mineral Waters 681 



V. On Dysluite. By Thomas Thomson, M.D., &c 285 



VI. Sketch of the Geology of the Bombay Islands. By Robert 



D. Thomson, M.D 291 



VII. Analyses of Books 304 



Philosophical Transactions for 1834, Part ii. (concluded) . ib. 



VIII. Scientific Intelligence 313 



1. Employment of Gypsum in Agriculture ..... ib. 



2. Royal Institution. — Comparison of the Newtonian and 



Undulatory Theories of Light 315 



3. Pharmaceutical Preparations 318 



4. Muriate of Ammonia in some Minerals 319 



5. Peroxide of Manganese ib« 



Meteorological Journal for February. By the Rev. J. 



Wallace 320 



No. V.— May. 



I. On Calico-Printing, (continued.) By Thomas Thomson, 



M.D., &c 321 



II. Sketch of the Geology of the Bombay Islands. By Robert 



D. Thomson, M.D. (concluded) 330 



III. Geology of Estramadura and the North of Andalusia. By 



M. F. Le Play 341 



IV. Experiments and Observations on Visible Vibration. By 



Charles Tomlinson, Esq 358 



V. On the Adjustment of the Eye to Distinct Vision at Diffe- 



rent Distances. By John Walker, Esq 368 



VI. Account of some New Species of Minerals containing 



Barytes. By Thomas Thomson, M.D., &c 369 



VII. On Human Saliva. By C. G. Mitscherlich .... 375 



VIII. Analyses of Books 384 



1. The Transactions of the Linnean Society of London, 



Parti. 1834 . ib. 



2. Facts, laws, and Phenomena of Natural Philosophy, 



Translated from the French of Professor Quetelet of 

 Brussels, with Notes. By Robert Wallace . . . 392 



3. Proceedings of the Berwickshire Naturalists' Club . 393 



4. Abstract of a Paper on the Refraction and Polarization 



of Heat. By Professor Forbes 394 





