70 NOTICES OF THE MEETINGS [May 9, 
Mémoires présentés par Divers Savants 4 l’Académie des Sciences de 
l'Institut de France. Tome IX. 4to. Paris, 1846. 
Monatsbericht der Kénigl. Preuss. Akademie der Wissenschaften zu Berlin. 
Feb. 1851. 8vo. 
The Royal Society of Van Dieman’s Land—Papers and Proceedings, Vol. I. Part 
Il. 8vo. 1850. 
The Royal Astronomical Society—Monthly Notices, Vol. XI. Nos. l1—4. 8vo. 
1850-1. 
Commander Inglefield, R.N. M.R.I. (the Author)—A New Theory of Terrestrial 
Magnetism, &c. 8vo. 1851. 
The American Philosophical Society—Proceedings, No. 45. 8vo. 1850. 
Rev. W.W. Ellis, M.A. (the Author)—Ten Lectures on Romanism, Tracta- 
rianism, etc. 12mo. 1851. 
James Yearsley, M.R.C.S., M.R.I. (the Author)—A New Mode of Treating 
Deafness. 12mo. 1850. 
Elongated Uvula and other Morbid Conditions of the Throat, &c. 8vo. 1851. 
Deafness practically illustrated. 12mo. 1850. 
The Institution of Civil Engineers—Transactions, Vol. III. Parts 2—5. 1840-2. 
Ato. 
Minutes of Proceeding for 1837, 1840, 1841, 1844, 1845, 1846, 1847, and 
parts of 1848, 1849, 1850. 8vo. 
Do. for April, 1851. 8vo. 
Catalogue of the Library of the Institution of Civil Engineers. 8vo. 1851. 
List of Members, Dec. 1850. 8vo. 
The Royal Society of Edinburgh—Proceedings, No. 33, 34. 8vo. 1848-9. 
The Royal Institute of British Architects—Proceedings, April, 1851. 4to. 
The Horticultural Society of London—Journal, Vol. VI. No.2. 8vo. 1851. 
The Royal Irish Academy—Proceedings, Vol. 1V. Part III. 8vo. 1850. 
J. C. David, Esq. (the Author) Geographical Botany and Astronomy, &c. 4to. 
1850. 
The Hebrew Alphabet, a Key to the Divine and Universal Language, 1842. 
Jacob Bell, Esq. (the Editor)—The Pharmaceutical Journal for May, 1851. 
Reginald Stuart Poole, Esq. (the Author)—Hore Egyptiace : or, the Chronology 
of Ancient Egypt. 8vo. 1851. 
WEEKLY EVENING MEETING, 
Friday, May 9. 
Tue Duxe or NorTHUMBERLAND, President, 
in the Chair. 
The Rev. Bapen Powetu, M.A. F.R.S. F.R.A.S. F.G.S. 
SAVILLIAN PROFESSOR OF GEOMETRY IN THE UNIVERSITY OF OXFORD. 
On the Recent Experiment showing the Rotation of the Earth by means 
of the Pendulum. 
Tue experiment alluded to has been the subject of so much popular 
notice at the present time that it would be needless to go intoa 
particular description of its nature or object. If fully verified, the 
a ee es 
