CONTENTS. 

 ART. PAGE 



XII. Analysis of Scientific Books. 



i. An Elementary Introduction to the Knowledge of Minera- 

 logy : comprising' some Account of the Characters and Elements 

 of Minerals ; Explanations of Terms in common use ; Description 

 of Minerals, with Accounts of the Places and Circumstances in 

 M'hich they are found ; and especially the Localities of British Mi- 

 nerals. By William Phillips, F.L.S., M.G.S., L. and C, &c. 

 Third Edition, enlarged 320 



ii. Traite Elementaire de Reactifs, leurs Preparations, leurs 

 Emplois speciaux, et leurs applications k I" Analyse. Par MM. 

 A. Payen, Manufacturier ; et A. Chevallier, Paris, 1822. 8vo. 

 pp.224 32Ci 



iii. Reliquiae Diluvianae ; or. Observations on the Organic Re- 

 mains contained in Caves, Fissures, and Diluvial Gravel ; and on 

 other geological Phenomena attesting the Action of an Universal 

 Deluge. By the Rev. William Buckland, B.D., F.R.S., &c. 337 



Letter to the Editor, on Penn's " Comparative Estimate" . 348 



XIII. Astronomical and Nautical Collections. No. XIV. 

 i. The resistance of the Air, determined from Captain Kater's 



Experiments on the Pendulum. — ii. Extract from a Letter to Pro- 

 fessor Schumacher, relating to Bessel's Refractions. — iii. Speci- 

 men of Mr. Stockler's Inverse Method of Limits. In a Letter 

 to Charles Babbage, Esq. F.R.S. — iv. An easy Method of 

 computing the Time of Conjunction in Right Ascension from an 

 observed Occultation. — v. Remarks of Mr. Planta's Re- 

 searches relating to Refraction. In a Letter to Professor Gautier 351 



XIV. Miscellaneous Intelligence. 



I. Mechanical Science. 

 1. Bridge at Menai Straits. 2. Gas Lighting. 3. Artificial 

 Formation of Haloes. 4. On the Electricity produced by Pres- 

 sure. 5. Light evolved by Pressure. 6. Developement of Elec- 

 tricity by two pieces of the same Metal. 7. Variation of Ther- 

 mometers. S. Variation of Thermometers, 9. On Variations of 

 Barometers and Thennometers. 10. Maximum density of Water. 

 11. Tenacity of Iron Wire. 12. Electro-Magnetism. 13. On 

 the Oscillations of Sonorous Chords 367 



