CONTENTS OF VOL. XXVIII. 



(THIRD SERIES.) 



NUMBER CLXXXIV.— JANUARY, 1846. , 



Page 

 Mr. R. Hunt on the Influence of Magnetism on Molecular Ar- 

 rangement (with a Plate) 1 



Mr. R. W. Fox on certain Pseudomorphous Crystals of Quartz 5 

 Prof. J. R. Young on the General Expression for the Sum of 



an Infinite Geometrical Series 10 



Drs. T. Tilley and D. Maclagan on the Conversion of Cane- 

 sugar into a substance isomeric with Cellulose and Inuline . 12 

 Mr. G. G. Stokes's Remarks on Professor Challis's Theoretical 



Explanation of the Aberration of Light 15 



Lieut.-Col. P. Yorke on the Solubility of Oxide of Lead in Pure 



Water , 17 



The Rev. B. Bronwin's Equations for the Determination of the 

 Motion of a Disturbed Planet by means of M. Hansen's Al- 

 tered Time 20 



Lieut.-Col. Sabine on some Points in the Meteorology of Bom- 

 bay (with a Plate) 24 



Mr. T. Taylor on some New Species of Animal Concretions . . 36 

 Mr. C. B. Cayley's Inquiries in the Elements of Phonetics . . 47 

 Mr. A. Smith on Fresnel's Theory of Double Refraction .... 48 

 Mr. J. D. Dana on the Origin of the constituent and adventi- 

 tious Minerals of Trap and the allied Rocks 49 



Mr. G. B. Jerrard's Reflections on the Resolution of Algebraic 



Equations of the Fifth Degree 63 



Proceedings of the Royal Society 64 



Action of Nitric Acid on Wax 66 



Dry Distillation of Wax 67 



Analysis of Phosphate of Alumina, by M. A. Delesse 68 



A New Planet 69 



Notice of an Aurora Borealis seen at Manchester 70 



Meteorological Observations for November 1845 .. 71 



Meteorological Observations made by Mr. Thompson at the 

 Garden of the Horticultural Society at Chiswick, near 

 London ; by Mr. Veall at Boston ; by the Rev. W. Dunbar at 

 Applegarth Manse, Dumfries-shire ; and by the Rev. C. 

 Clouston at Sandwick Manse, Orkney 72 



NUMBER CLXXXV.— FEBRUARY. 



Mr. H. Collen on the Application of the Photographic Camera 



to Meteorological Registration (with a Plate) 73 



a 2 



