Royal and Astronomical Societies. 385 
Illustrations of the Universal Efficacy of Compression and 
Pereussion in the Cure of Rheumatism, Sprains, &c. By Wm. 
Balfour, M.D. 8vo. 2s. 
A New System of National and Practical Agriculture. By 
R. Donald. 2s.'6d. ; 
Tracts on Vaults and Bridges. Bsbis. id. 
A Description of the Topography of the Plain of Troy. By 
Charles Maclaren. Qs. 
In the Préss. 
An Introduction to the Study of Fossils, in a Compilation of - 
such Information as may assist the Student in obtaining the 
necessary Knowledge respecting these Substances, and their 
Connexion with the Formation of the Earth. By James Parkin- 
son, Author of the Organic Remains of a former World. 
The First Part of Dr. Hooker’s Exotic Flora will be published 
on the Ist of June. 
Legendre’s Elements of Geometry, and of Plane and Spherical 
Trigonometry. Edited by Dr. Brewster, of Edinburgh. 
LXXVIII. Proceedings of Learned Societies. 
March 285. Ox ‘the Anatomy of Whales. By W. Scoresby, 
Esq. 
April 18.—On the Changes that have taken Place in the De- 
clination of some of the principal Fixed Stars. By John Pond, 
Esq. 
Extract of a Letter from Capt. Sabine to the President. 
Some Observations on the buffy Coat of the Blood. 
April 25,—On the Nerves. By Charles Bell, Esq. 
ASTRONOMICAL SOCIETY OF LONDON. 
May 10. A communication was read from Capt. Everest, on 
the subject of the geodetical operations carried on by M, Lacaille, 
at the Cape of Good Hope, in the middle of the last century: 
These inguiries were suggested by Col. Lambton; and Capt. 
Everest has examined the subject with that accuracy and res 
search, which give promise of much valuable information from 
the same quarter. Capt. Everest has identified the principal 
stations which Lacaille occupied in the course of his operations; 
_ and has clearly ascertained the house in Cape Town where his 
observatory was fixed. This latter point, as well as the one at 
the northern extremity, were, from their proximity to very high 
mountains, very unfit for such nice operations : and Capt. Everest 
conceives that those immense masses of rock must have had a 
Vol. 59. No. 289. May 1822, 3 Ce a Sel 
