1803. 



The Bakerian Lecture. Observations on the Quantity of horizontal 

 Refraction ; with a Method of measuring the Dip at Sea. By William 

 Hyde Wollaston, M.D. F.R.S page 100 



A chemical Analysis of some Calamines. By James Smithson, Esq. 

 F.R.S 102 



Experiments on the Quantity of Gases absorbed by Water, at different 

 Temperatures, and under different Pressures. By Mr. William Henry 103 



Experiments and Observations on the various Alloys, on the specific 

 Gravity, and on the comparative Wear of Gold. Being the Sub- 

 stance of a Report made to the Right Honourable the Lords of the 

 Committee of Privy Council, appointed to take into Consideration 

 the State of the Coins of this Kingdom, and the present Establish- 

 ment and Constitution of His Majesty's Mint. By Charles Hatchett, 

 Esq. F.R.S 105 



Observations on the chemical Nature of the Humours of the Eye. By 

 Richard Chenevix, Esq. F.R.S. and M.R.I.A 108 



An Account of some Stones said to have fallen on the Earth in France ; 

 and of a Lump of native Iron, said to have fallen in India. By the 

 Right Hon. Charles Greville, F.R.S 109 



Observations on the Structure of the Tongue ; illustrated by Cases in 

 which a Portion of that Organ has been removed by Ligature. By 

 Everard Home, Esq. F.R.S Ill 



Observations of the Transit of Mercury over the Disc of the Sun ; to 

 which is added, an Investigation of the Causes which often prevent 

 the proper Action of Mirrors. By William Herschel, LL.D. F.R.S. . 112 



An Account of some Experiments and Observations on the constituent 

 Parts of certain astringent Vegetables ; and on their Operation in 

 Tanning. By Humphry Davy, Esq 114 



Account of some Experiments on the Descent of the Sap in Trees. In 

 a Letter from Thomas Andrew Knight, Esq. to the Right Hon. Sir 

 Joseph Banks, Bart. K.B. P.R.S 118 



Inquiries concerning the Nature of a metallic Substance lately sold in 

 London, as a new Metal, under the Title of Palladium. By Richard 

 Chenevix, Esq. F.R.S. and M.R.I.A 121 



An Account of the sinking of the Dutch Frigate Ambuscade, of 32 

 Guns, near the Great Nore ; with the Mode used in recovering her. 

 By Mr. Joseph Whidbey 124 



Observations on a new Species of hard Carbonate of Lime ; also on a 

 new Species of Oxide of Iron. By the Count de Bournon, F.R.S. 

 and L.S 125 



Account of the Changes that have happened, during the last Twenty- 

 five Years, in the relative Situation of Double-stars ; with an Inves- 

 tigation of the Cause to which they are owing. By William Her- 

 schel, LL.D. F.R.S 126 



An Account of the Measurement of an Arc of the Meridian, extending 

 from Dunnose, in the Isle of Wight, Latitude 50 37' 8", to Clifton, 

 in Yorkshire, Latitude 53 27' 31", in course of the Operations car- 

 ried on for the Trigonometrical Survey of England, in the Years 

 1800, 1801, and 1802. By Major William Mudge, F.tt.S 129 



