VI CONTENTS OF VOL. II. — FOURTH SERIES. 



Page 

 Prof. Boole'8 Account of the late John Walsh of Cork. In a 



letter to Professor De Morgan 348 



Mr. H. E. Strickland on the Elevatory Forces which raised the 



Malvern Hills. (With a Plate.) 358 



Mr. P. J. Martin on the Anticlinal Line of the London and 



Hampshire Basins (continued) 366 



Mr. S. Tebay on the Motion of a Pendulum affected by the 



Earth's Rotation 376 



The Rev. R. R. Anstice on the Motion of a Free Pendulum . . 379 

 Capt. E. M. Boxer on the Effect of the Rotation of the Earth 



upon the Flight of a Projectile 386 



Dr. A. Krantz on a new Mineral named Orangite 390 



Mr. J. J. Sylvester on a remarkable Discovery in the Theory of 



Canonical Forms and of Hyperdeterminants 391 



Mr. J. Lamprey and Lieut. H. Schaw's Account of Pendulum 



Experiments made at Ceylon 410 



The Rev. A. Thacker on Formulae connected with the Motion 



of a Free Pendulum 412 



Notices respecting New Books : — Dr. Latham on the Ethno- 

 logy of the British Colonies and Dependencies ; Man and his 

 Migrations ; De Morgan's Elements of Arithmetic and of 



Algebra 413 



Proceedings of the Cambridge Philosophical Society 419 



On Foucault's Pendulum Experiment, by Alexander Gerard, Esq. 422 

 Pendulum Experiments at the Philosophical Institution, Bristol, 



by Thomas G. Bunt, Esq 424 



Meteorological Observations for September 1851 427 



Table 428 



NUMBER XIII.— DECEMBER. 



Prof. Thomson on the Mechanical Theory of Electrolysis .... 429 

 Mr. T. S. Davies on Geometry and Geometers. No. VIII. o . 444 

 Mr. J. P. Joule's Account of Experiments demonstrating a limit 



to the Magnetizability of Iron 447 



Dr. Anderson on the products of the Destructive Distillation of 



Animal Substances. — Part II 457 



Mr. P. J. Martin's Postscript to a Paper on the Anticlinal Line 



of the London and Hampshire Basins 471 



The Rev. B. Bronwin on the Integration of Linear Differential 



Equations 477 



M. R. Clausius on the Theoretic Connexion of two Empirical 



laws relating to the Tension and the Latent Heat of different 



Vapours 483 



Dr. Fyfe on the Detection of Arsenic 487 



Proceedings of the Royal Society 491 



Cambridge Philosophical Society 500 



