CONTENTS 

 OF THE SIXTY-FIFTH VOLUME. 



On the Method of the Least Squares. By J. Ivory, Esq. M.A. 

 F.R.S. Page 3, 81, 161 



Hifits tefiding to dispi-ove the Existence of distinct Calorific Rays 

 in the Sunheam. By Mr. Henry Meikle . . . .10 



On the Experiments of the Pendidum made hy Captain Kater, 

 M. BioT, Sfc. By Wm. Galbraith, Esq. M.A. . . 12 



On the Annual and Secular Changes in the Solar System, By 

 A Correspondent , 23 



Answei- to Mr. J. Lindley's Letter on the Subject of Vegetable 

 Physiology. By Sir Jas. Edw. Smith, F.R.S. 4'c. President 

 of the Linn(Ea7i Society 30 



A Letter in reply to the Historical Sketch of the Problem of At- 

 mospherical Refraction in the last Number of the Journal of 

 Science. By J. Ivory, Esq. M.A. F.R.S. .... 32 



071 the Alteration of the Arcs of Vibration of Pendidums by the 

 Hygrometrical Changes of the Air ; and. on a Compensating 

 Pendulum of Deal, applicable to general Use. By Thomas 



Squire, Esq 38 



On the Use of Wood for Pendulum Rods. By F. Baily, 

 Esq. F.R.S.Sfc 41 



On the Insect called Oistros by the Ancient Greeks, and Asilus 

 btj the RomanSi By William Sharp MacLeay, Esq. 

 M.A. F.L.S 43 



On a supposed Anomaly in the Rotation jnoduced by the Gal- 

 vanic Current. By Mr. W. Sturgeon 47 



On the Marmolite of Mr. Nuttall. By Lardner Vanuxem 



88 



An Account of the Earthquakes which occurred in Sicily in 

 March 1823. By Sig. Abate Ferrara, Professor of Natural 

 Philosophy iti the University of Catania, Sfc. 8)-c. . 92, 168 



On the Use (f Functional Equations in the ElemeJitary Investi- 

 gations (f Geometry 101 



A nevo Binaiy Arrangement of the Brachyurous Crustace.i. By 

 A. H. Haworth, Esq., Fellow of the Linnccati and Horti- 

 adtural Societies of London, and of the Imperial Natural 

 History Society (f Moscow, ii^c. Sfc 105 



Vol. 65. a 



