CONTENTS. 
XI. On the Causes which influence the Direction of the Growth of 
Roots. By T. A. Knight, Esq. F, R. S. In a Letter to the 
Right Hon. Sir Joseph Banks, Bart. K. B. P. R. S. p. 209 
XII. - On the Solar Eclipse which is said to have been predicted by 
Thales. By Francis Baily, Esq. Communicated by H. Davy, 
Esq. Sec. R. S. p. 220 
XIII. An Account of the great Derbyshire Denudation. By Mr. J. 
Farey, Sen. In a Letter to the Right Hon . Sir Joseph Banks, 
Bart. K. B . P. R. S. p. 242 
XIV. An Account of an Appendix to the small Intestines of Birds. 
By James Macartney, Esq. F.R. S. p. 257 
XV. An Account of a vegetable Wax from Brazil. By William 
Thomas Brande, Esq. F. R. S. p. 261 
XVI. Astronomical Observations relating to the Construction of 
the Heavens, arranged for the Purpose of a critical Examina- 
tion, the Result of which appears to throw some new Light upon 
the Organization of the celestial Bodies. By William Herschel, 
LL.D . F. R. S. p. 2 6q 
XVII. Experiments to ascertain the State in which Spirit exists 
in fermented Liquors : with a Table exhibiting the relative 
Proportion of pure Alcohol contained in several Kinds of Wine 
and some other Liquors. By William Thomas Brande, Esq. 
F. R. S. p. 337 
