I. 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 JV ature of alka- 
line Bodies. By Humphry Davy, Esq. Sec. R. S. M. R. I. A. 
p. i 
II. On the Structure and Uses of the Spleen. By Everard Home, 
Esq. F. R. S. p. 45 
III. On the Composition of the Compound Sulphurei from Duel 
Boys, and an Account of its Crystals. By James Smithson, 
Esq. F. R.S. p. 55 
IV. On Oxalic Acid. By Thomas Thomson, M. D. F.R. S. Ed. 
Communicated by Charles Hatchett, Esq. F. R. S. p. 6 g 
V. On Super-acid and Sub-acid Salts. By William Hyde 
Wollaston, M. D. Sec. R. S. p. 96 
VI. On the Inconvertibility of Bark into Alburnum. By Thomas 
Andrew Knight, Esq. F. R. S. In a Letter to the Right Hon . 
Sir Joseph Banks, Bart. K. B. P. R. S. p. 103 
VII. Some Account of Cretinism. By Henry Reeve, M. D. of 
Norwich. Communicated by William Hyde Wollaston, M. D. 
Sec. R.S. p. 1 1 1 
VIII. On a new Property of the Tangents of the three Angles of a 
Plane Triangle. By Mr. William Garrard, Quarter Master of 
Instruction at the Royal Naval Asylum at Greenwich. Com- 
municated by the Astronomer Royal. p. 120 
