IX 



1819. 



The Croonian Lecture. On the Conversion of Pus into Granulations 

 or New Flesh. By Sir Everard Home, Bart. V.P.R.S page 103 



On the Laws which regulate the Absorption of Polarized Light by 

 Doubly Refracting Crystals. By David Brewster,LL.D. F.R.S. L.&E. 104 



Observations sur la Decomposition de 1'Amidon a la Temperature At- 

 mospherique par 1' Action de 1'Air et de 1'Eau. Par Theodore de 

 Saussure 105 



On Corpora Lutea. By Sir Everard Home, Bart. V.P.R.S 106 



Remarks on the Probabilities of Error in Physical Observations, and 

 on the Density of the Earth, considered, especially with regard to 

 the Reduction of Experiments on the Pendulum. By Thomas 

 Young, M.D. For. Sec. R.S 106 



On the Anomaly in the Variation of the Magnetic Needle as observed 

 on Ship-board. By William Scoresby, jun. Esq 108 



On the Genus Ocythoe ; being an Extract of a Letter from Thomas 

 Say, Esq. of Philadelphia, to William Elford Leach, M.D. F.R.S. 108 



On Irregularities observed in the Direction of the Compass Needles 

 of H. M.S. Isabella and Alexander, in their late Voyage of Discovery, 

 and caused by the Attraction of the Iron contained in the Ships. By 

 Captain Edward Sabine, F.R.S 109 



Some Observations on the Formation of Mists in particular Situations. 

 By Sir Humphry Davy, Bart. F.R.S. V.P.R.1 110 



Observations on the Dip and Variation of the Magnetic Needle, and 

 on the Intensity of the Magnetic Force ; made during the late Voy- 

 age in search of a North-west Passage. By Captain Edward Sabine, 

 F.R.S. F.L.S 110 



On the Action of Crystallized Surfaces upon Light. By David Brew- 

 ster, LL.D. F.R.S. L.&E Ill 



On the Specific Gravity and Temperature of Sea- Waters, in different 

 Parts of the Ocean, and in particular Seas ; with some Account of 

 their Saline Contents. By Alexander Marcet, M.D. F.R.S Ill 



An Account of the Fossil Skeleton of the Proteo-Saurus. By Sir 

 Everard Home, Bart. V.P.R.S 113 



Reasons for giving the name Proteo-Saurus to the Fossil Skeleton 

 which has been described. By Sir Everard Home, Bart. V.P.R.S. 113 



Some Observations on the Peculiarity of the Tides between Fairleigh 

 and the North Foreland; with an Explanation of the supposed 

 Meeting of the Tides near Dungeness. By Captain James Ander- 

 son, R.N 113 



On the Ova of the different Tribes of Opossum and Ornithorhynchus. 

 By Sir Everard Home, Bart. V.P.R.S 114 



The Results of Observations made at the Observatory of Trinity Col- 

 lege, Dublin, for determining the Obliquity of the Ecliptic, and the 

 Maximum of the Aberration of Light. By the Rev. J. Brinkley, 

 D.D. F.R.S. M.R.I.A 114 



On some New Methods of investigating the Sums of several Classes 

 of Infinite Series. By Charles habbage, Esq. A.M. F.R.S 115 



