TABLE OF CONTENTS. 



NUMBER XIII.— JANUARY. 



Page 

 Mr. Ivory on the Theory of Capillary Action, and the Depres- 

 sion of the Mercury in the Tubes of Barometers 1 



Mr. Nixon on the Heights of some of the principal Beds of 



Ingleborough Hill and Moughton Fell, Yorkshire 11 



Mr. Bakewell on the Thermal Waters of the Alps 14 



Mr. Herapath on the Integration of Linear Differential Equa- 

 tions having Constant Coefficients and last Term any Func- 

 tion of the Indeterminate Quantity x 19 



Mr. Riddle on the Occultation of jS Scorpii, September 25, 



1827 26 



Mr. Teschemacher on the Crystalline Form of some Salts 27 



Mr. Bevan's Remarks on Mr. J. Taylor's Rain-gauge 29 



Reply to F.R.S.L.'s Remarks on Compound Interest SO 



Dr. Prout on the ultimate Composition of simple alimentary 

 Substances ; with some preliminary Remarks on the Analysis 



of organized Bodies in general (continued) ... 31 



New Books: — Mr. Farey's Treatise on the Steam-Engine. ... 40 

 Proceedings of the Royal Society, President's Anniversary Ad- 

 dress 46—64 



■ Astronomical Society 64 



Zoological Society 68 



Isopyre, a new Mineral Species 70 



Osmelite, a new Mineral Species — Hydrosilicite, a new Mineral 



Species / 71 



Russian Platina Sand 72 



New Phenomena of Vapour observed by Clement Desormes — 



Rev. S. E. D wight's Notice of a Fire- Ball 74 



Dr. Forster on the Aurora Borealis of 26th September 75 



New Patents 76 



Scientific Books, &c 77 



Meteorological Observations 78 



by ]yj r> Howard near London, 



Mr. Giddy at Penzance, Dr. Burney at Gosport, and Mr. 

 Veall at Boston 80 



NUMBER XIV.— FEBRUARY. 



Dr. Thomson on the mutual Decomposition of Sulphate of Zinc 

 and Chromate of Potash : . 81 



Mr. Nixon on the Measurement by Trigonometry of the Heights 

 of the principal Hills in the Vicinity of Dent, Hawes, and 

 Sedbergh, in Yorkshire {continued) 82 



On Mr. Herapath's Method for the Integration of Linear Equa- 

 tions with constant Coefficients 96 



On the Error imputed by Mr. Herapath to Lagrange in his 



Method of integrating Linear Differential Equations 97 



Dr. 



