808 

 312 



315 

 321 



ib. 



Vi CONTENTS. 



ART. PAGE 



X. Proceedings of the Royal Society . . . 296 



XI. Astronomical and Nautical Collections. No. XXIV, 



i. Continuation of the Catalogue of Comets, (Coll. No. XVI." 

 By Dr. W. Olbers, Astr. Abh. iii. 



ii. Errors in the best Tables of Logarithms ; collected from vari 

 ous Authorities ...... 



iii. Observations on Mr. Mendoza y Rios's Method of computing 

 the True from the Apparent Lunar Distances. By Thomas Hen 

 derson, Esq 



iv. Correct Formula for the Nutation. By Professor Bessel. Astr 

 Nachr. 83 



v. Remarks on the Principles of Algebraical and Fluxional Nota 

 tlon. By the Editor . . .... * 



vi. Occultations of the Planets and Fixed Stars not less than the 

 fourth magnitude, visible at Greenwich in the year 1826. By Tho- 

 mas Henderson, Esq. ...... 325 



XII. Analysis of Scientific Books. 



I. Philosophical Transactions of the Royal Society of London, for 



the year 1825. Part II. . . . .329 



II. Considerations on Volcanoes ; the probable Causes of their 

 Phenomena, the Laws which determine their March, the Disposition 

 of their Products, and their Connexion with the present State'of, 

 and past History of, the Globe ; leading to the Establishment of a 

 New Theory of the Earth. By G. Poulett Scrope, Esq., Sec. 

 Geol. Soc., &c. . . . . . ,356 



XIII. Miscellaneous Intelligence. 



I. Mechanical Science. 

 1. Effects of an Anti-Attrition Preparation. 2. Strength of 

 Leaden Pipes. 3. Method of curing Smoky Chimneys. 4. Sug- 

 gested Improvements in Light-houses. 5. Cuthbert's reflecting 

 compound and single Microscope. 6. On the alteration in the bulk 

 of successive portions of Air introduced into a Torricellian Tube. 



7. On the attraction manifested at sensible Distances by Solid Sur- 

 faces moistened by, and immersed in, a Liquid, by M. P. S. Girard. 



8. On an unnoticed Mechanical Principle — explanation of the 

 cutting of Steel by Iron. 9. Magnetic Rotation. 10. On the For- 

 mation of a Society for the Cultivation of Naval Architecture . 375, 



