1853.] OF THE ROYAL INSTITUTION. 339 
idea of a bare adhesion of the last oxygen, inasmuch as a red heat 
cannot separate the third oxygen from the peroxide of iron; and 
hence also, according to M. Schonbein, certain effects of change of 
colour by heat, and certain other actions connected with magnetism, 
&e. [M. F.]} 
GENERAL MONTHLY MEETING, 
Monday, July 4. 
Wi..1AM Pots, Esa. M.A. F.R.S. Treasurer and Vice-President, 
in the Chair. 
Joseph Hayes, Esq. 
Rear-Admiral J. Roberts Gawen 
were duly elected Members of the Royal Institution. 
Joun Tynpau., Esq., Ph.D., F.R.S., was unanimously elected 
Professor of Natural Philosophy in the Royal Institution. 
The following Presents were announced, and the thanks of the 
Members ordered to be returned for the same : — 
From 
Airy, G. B. Esq. F.R.S. Astronomer Royal (the Author) — Address to the 
Individual Members of the Board of Visitors of the Royal Observatory, 
Greenwich ; by the Astronomer-Royal, and his Report read at the Annual 
Visitation, June 4, 1853. 4to. 1853. 
Astronomical Society, Koyal— Monthly Notices, Vol. XIII. No. 7. 8vo. 1853. 
Bell, Jacob, Esq. (the Editor) —The Pharmaceutical Journal for June, 1853. 
8vo. 
Bengal, Council of Education — Annual Report of the Medical College of 
Bengal, Session 1852-3. 8vo. Calcutta, 1853. 
Blackwell, J. Kenyon, Esq., F.G.S. (the Author) — Explosions in Coal Mines, 
their Causes, and the Means available for their Prevention and Control. 
8vo. 1853. 
British Architects, Royal Institute of, — Proceedings, June, 1853. 4to. 
Cocks, Messrs. (the Publishers) — Cocks’ Musical Miscellany, June, 1853. 4to. 
Editors — The Atheneum for May, 1853. 4to. 
The Practical Mechanic’s Journal, June, 1853. 4to.- 
The Medical Circular, June, 1853. 4to. 
Faraday, Professor, F.R.S. &c.— Mémoires de ’Académie des Sciences de I’In- 
stitut de France. Tome XXIII. 4to. Paris, 1853. 
Mémoires de Académie des Sciences Morales et Politiques de |’Institut de 
France. Tome VIII. 4to. Paris, 1853. 
Franklin Institute of Pennsylvania — Journal, Vol. XXII. No.6; Vol. XXIV. 
No. 6; Vol. XXV.No. 4. 8vo. 1851-3. 
Her Majesty’s Government (by Col. E. Sabine) — Observations made at the 
Magnetical and Meteorological Observatory at Hobarton, in Van Diemen 
Island. Vol. III. 4to. 1853. 
