Tiovnl Societjr of LoriihfT. ^Tj- 



ttiineral Siibftaiice from Norih America, containing a Metal 

 hitherto unknown. By Charles Hatchett, Efq. F. R, S.— 

 4. A Defcription of the Anatomy , of the Ornithorhynchus 

 paradoxus. By Everard Home, Efq. F. R. S,— 5. On the 

 Indcper.OLiice of the analytical and geoineirical jilethods of 

 Inveliigation ; and on the Advantage? to be derived from 

 their Separation. By Rol.ert Woodhoufe, A, M. Fellow of 

 Cains College, Cambridge. — 6. Obfervations and Experi- 

 ments upon oxygenized andhyper-oxygenizedmuriaticAcid; 

 and upon fome Combi:.uions' of the muriatic Acid in its 

 three States. By Richard Chcnevix, Efq. F. R. S. and M. 

 R. I. A — 7. Experiments and Obfervations on certain ftony 

 and metalline Subliances, which at different Times are fald 

 to have fallen on the Earth : alfo on various Kinds of native 

 Iron. By Edward Howard, Efq. F. R. S.— 8. Obfervations 

 on the two lately difcovered celeftial Bodies. By William 

 Herfchel, L. L. D. F, R. S. — 9. Defcription of the Corun- 

 dum Stone, and its Varieties, commonly known by the 

 Names of Oriental Ruby, Sapphire, &c.; 'with Obfervations 

 on fome other mineral SubRances. By the Count de Bour- 

 non, F. R. S — lo.Analyfis of Corundum, and of fome of 

 the Subflances which accompany it; with Obfervations on 

 the Affinities which the Earths have been fuppofed to have 

 for each other, in the himiid Way. By Richard Chencvix, 

 Efq. F. R, S. and M. R. I. A. — 1 1. Defcription of the Ana- 

 tomy of the Ornithorhynchus Hyllrix. By Everard Home, 

 Efq. F. R. S. — 12. A iMethod of examining refra6live and 

 difpeifivc Powers, bv prifmatic Refleftlon. By William 

 Hyde Wollafton, M.'D. F. R. S.— 13. On the oblique Re- 

 fraaion of Iceland Cryftal. By William Hyde W^ollafion, 

 M. D. F. R. S. — 14. An Account of fome Cafes of the Pro- 

 duftlon of Colours, not hitherto defcrlbcd. By Thomas 

 Young, M.D. F.R.S. F.L.S. Profeffor of Natural Phi lo- 

 fophy in the Pioyal Inftltution. — 15. On the Compofition of 

 Emery. By Smithfon Tennant, Efq.F. R.S. — 16. Quelques 

 Remarqucs fur la Chaleur, et fur i'Aftion dcs Corps qui 

 I'interceptent. Par P. Prcvoft, Profeffeur de Philofophie a 

 Geneve, &c. — 17. Of the Redlification of the Conic Sec- 

 tions. By the Rev. John Hcllins, B. D. F. R. S. and Vicar 

 of Potter's Pury, in Northamptonfliire. — 18. Catalogue of 

 500 new Nebulas, nebulous Stars, planetary Nebula.-, and 

 Clufters of Stars ; with Remarks on the Conftrudion of the 

 Heavens. By William Herfchel, LL.D. F. R. S. 



APPENDIX. — Meteorological Journal kept at the Apart- 

 ments of the Royal Society, by Order of the Prefident and 

 Cuuncil. 



fRENCH 



