CONTENTS. 



I. ijNanew detonating Compound, in a Letter from Sir Humphry 

 Davy, LL.D. F.R.S. to the Right Honourable Sir Joseph 



- Banks, Bart, K.B. P.R.S. p. i 



II. On a remarkable Application of Cotes's Theorem. By J. F.W. 

 Herschel, Esq. Communicated by W. Herschel, LL. D. 

 F. R. S. p. 8 



III. Observation of the Summer Solstice , 1812, at the Royal Ob- 

 servatory, By John Pond, Esq. Astronom£r Royal, F.R. S. 



p. 27 



IV. Observatiojis relative to the near and distant Sight of dijfererit 

 Persons. By James Ware, Esq. F. R. S. P* 31 



V. The Bakerian Lecture. On the elementary Particles of certain 

 Crystals. By William Hyde Wollaston, M. D, Sec. R. S. 



P-51 



VI. On a Substance from the Elm Tree, called Ulmin. By James 



Smithson, Esq. F.R.S. p. 64, 



VII. On a Method of Freezing at a distance. By William Hyd« 

 Wollaston, M. D. Sec. R. S. p. 71 



VIII. A Catalogue of North Polar Distances of some of the prin- 

 cipal fixed Stars. By John Pond, Esq. Astronomer Royal, 

 F. R. S, p. 75 



IX. A Description of the solvent Glands and Gizzards of the 

 Ardea Argala, the Casuarius Emu, and the long-legged Caso^ 

 wary from New South JVales. By Sir Everard Home, Bart. 

 F.R.S. . p. 77 



