viii CONTENTS. 



SUPPLEMENT TO VOL XIX. 



iviijff of the following Object: Representation of a Mineral Basin in 

 south Wales. 



I. Remarks ©n the total Eclipse of the Sun, June 16, 1806"; with some new 

 Methods of timling the Sun or Moon's Meridian Altitude, and the approximate 

 Time, by Altitudes taken near the Time of Noon. In a Letter from J. Garnett, 

 Esq. Editor of the American Nautical Almanack - - 321 



II. An Inquiry into the Causes of the Decay of Wood, and the Means of pre- 

 venting it. "By C. II. Parry. M. D. 328 



III. On the Blight in Wheat. By Mr. Thomas Davis, of Horningsham 338 



IV. Answer to Remarks on a Pamphlet, lately published by the (Rev. T. Vince, 

 respecting the Cause of Gravitation. In a Letter from the Author 344 



V. Observations on the Structure of the dii'ferent Cavities, which constitute >the 

 Stomach of the- Whale, compared with those of ruminating Ajrckmals, with a 

 View to ascertain the Situation of the digestive Organ, By Everard Home, 

 Esq. F..R. & - - - - 348 



VI. On Family Wine Making. By W. Mathews, Esq. - 353 



VII. Description of the"Mineral Bason, in the Counties of Monmouth, Glamor- 

 gan, Brecon, Carmarthen, and Pembroke. By ,Mr. Edward Martin. Com- 

 municated by the Right Hon. C. F. Grenvrlle, F. R. S. - - 361 



VIII. On Fairy-Rings. By VV. H. Wollaston, M.D. Sec. R. 5. 3G7 



IX. Account of a Musical Instrument, called an Organized Lyre, invented by 

 Mr. Adolphus Ledlurv, latv- Geometrical Surveyor of Forests, of Coucy-le- 

 Chateau, in the Department of the Aisne - - 371 



X. A Botanical and Economical Account of Bassia Butyracea, or the East 

 India Butter Tree. By W. Roxburgh, M.D. - - 372 



- ■ 



XI. Observations on Werner's Silex Schistosus Politorius,, Polierschiefer, from 

 Bilhn, in Bohemia - 380 



Scientific News - - - - 381 



