xii 



On the Economy of Bees. In a Letter from Thomas Andrew Knight, 



Esq. F.R.S. to the Right Honourable Sir Joseph Banks, Bart. K.B. 



P.R.S page 268 



Observations and Measurements of the Planet Vesta. By John Jerome 



Schroeter, F.R.S 270 



A new Eudiometer, accompanied with Experiments, elucidating its 



Application. By William Hasledine Pepys, Esq 270 



Observations on the Nature of the new celestial Body discovered by 



Dr. Olbers, and of the Comet which was expected to appear last 



January in its return from the Sun. By William Herschel, LL.D. 



F.R.S 271 



On the Quantity of Carbon in carbonic Acid, and on the Nature of the 



Diamond. By William Allen, Esq. F.L.S. and William Hasledine 



Pepys, Esq 272 



An Account of the Relistian Tin Mine. By Mr. Joseph Carne 275 



An Analysis of the Waters of the Dead Sea and the River Jordan. 



By Alexander Marcet, M.D 275 



1808. 



The Bakerian Lecture, on some new Phenomena of chemical Changes 

 produced by Electricity, particularly the Decomposition of the fixed 

 Alkalies, and the Exhibition of the new substances which constitute 

 their bases; and on the general Nature of alkaline Bodies. By 

 Humphry Davy, Esq. Sec. R.S. M.R.I. A page 278 



On the Structure andUses of the Spleen. By Everard Home, Esq. F.R.S. 283 



On the Composition of the Compound Sulphuret from Huel Boys, and 

 an Account of its Crystals. By James Smithson, Esq. F.R.S 284 



On Oxalic Acid. By Thomas Thomson, M.D. F.R.S. Ed 285 



On Super-acid and Sub-acid Salts. By William Hyde Wollaston, M.D. 

 Sec. R.S 289 



On the Inconvertibility of Bark into Alburnum. By Thomas Andrew 

 Knight, Esq. F.R.S 290 



Some Account of Cretinism. - By Henry Reeve, M.D. of Norwich ... 292 



On a new Property of the Tangents of the three Angles of a Plane 

 Triangle. By Mr. William Garrard 2D3 



On a new Property of the Tangents of three Arches trisecting the Cir- 

 cumference of a Circle. By Nevil Maskelyne, D.D. F.R.S 293 



An Account of the Application of the Gas from Coal to economical 

 Purposes. By Mr. William Murdoch 294 



Further Experiments on the Spleen. By Everard Home, Esq. F.R.S. 295 



Observations of a Comet, made with a View to investigate its Magni- 

 tude and the Nature of its Illumination. To which is added, an 

 Account of a new Irregularity lately perceived in the apparent Figure 

 of the Planet Saturn. By William Herschel, LL.D. F.R.S 297 



Hydraulic Investigations, subservient to an intended Croonian Lecture 



on the Motion of the Blood. By Thomas Young, M.D. For. Sec. R.S. 298 



A Letter on the Alterations that have taken place in the Structure of 

 Rocks, on the Surface of the* basaltic Country in the Counties of 

 Derry and Antrim. By William Richardson, I).l) 300 



