vi 



1802. 



The Croonian Lecture. On the Power of the Eye to adjust itself to 

 different Distances, when deprived of the Crystalline Lens. By 

 Everard Home, Esq. F.R.S page 62 



The Bakerian Lecture. On the Theory of Light and Colours. By 

 Thomas Young, M.D. F.R.S G3 



An Analysis of a mineral Substance from North America, containing 

 a Metal hitherto unknown. By Charles Hatchett, Lsq. F.R.S. . . 67 



A Description of the Anatomy of the Ornithorhynchus paradoxus. By 

 Everard Home, Esq. F.R.S 68 



On the Independence of the analytical and geometrical Methods of 

 Investigation ; and on the Advantages to be derived from their 

 Separation. By Robert Woodhouse, A.M 70 



Observations and Experiments upon oxygenized and hyperoxygenized 

 Muriatic Acid ; and upon some Combinations of the Muriatic Acid in 

 its three States. By Richard Chenevix, Esq. F.R.S. and M.R.I.A. . 71 



Experiments and Observations on certain Stony and Metalline Sub- 

 stances, which at different Times are said to have fallen on the 

 Earth ; also on various Kinds of native Iron. By Edward Howard, 

 Esq. F.R.S 75 



Observations on the two lately discovered celestial Bodies. By William 

 Herschel, LL.D. F.R.S 80 



Description of the Corundum Stone and its Varieties, commonly known 

 by the Names of Oriental Ruby, Sapphire, &c. ; with Observations 

 on some other Mineral Substances. By the Count de Bournon, F.R.S. 82 



Analysis of Corundum, and of some of the Substances which accom- 

 pany it ; with Observations on the Affinities which the Earths have 

 been supposed to have for each other, in the humid Way. By 

 Richard Chenevix, Esq. F.R.S. and M.R.I.A 87 



Description of the Anatomy of the Ornithorhynchus Hystrix. By 

 Everard Home, Esq. F.R.S 89 



A Method of examining refractive and dispersive Powers, by prismatic 

 Reflection. By William Hyde Wollaston, M.D. F.R.S 90 



On the oblique Refraction of Iceland Crystal. By William Hyde 

 Wollaston, M.D. F.R.S 92 



An Account of some Cases of the Production of Colours, not hitherto 

 described. By Thomas Young, M.D. F.R.S 92 



On the Composition of Emery. By Smithson Tennant, Esq. F.R.S. . 94 



Quelques Remarques sur la Chaleur, et sur 1'Action des Corps qui 

 1'interceptent. Par P. Prevost 94 



Of the Rectification of the Conic Sections. By the Rev. John Hellins, 

 B.D. F.R.S 97 



Catalogue of 500 new Nebulae, nebulous Stars, planetary Nebulae, and 

 Clusters of Stars; with Remarks on the Construction of the Heavens. 

 By William Herschel, LL.D. F.R.S 98 



