Royal Academy of Sciences of Paris. 71 
M.D.F.R.S.—Vice-Presidents, William Thomas Brande, Esq.; 
Sir Astley Cooper, Bart. F.R.S. ; Sir Alex. Crichton, F.R.S. ; 
Sir William Franklin, F.R.S.; Edward Thomas Munro, 
M.D.; John Ayrton Paris, M.D. F.R.S.— Treasurer, Henry 
Drummond, Esq. F.S.A.—Secretary, Richard Morris, Esq. 
¥.L.S.— Director, John Frost, Esq. F.S.A.—Auditor of Ac- 
counts, William Newman, Esq-—Council, The President, 
Vice-Presidents, and other officers ; together with Thomas 
Gibbs, Esq. F.HLS. ; Theodore Gordon, M.D. M.R.A.S.; 
Thomas Jones, Esq.; George H. Roe, M.D.; John Gordon 
Smith, M.D.; William Yarrell, Esq. F.L.S. 
The gold medal of this Society was awarded to. Matthew 
Curling Friend, Esq. Lieutenant in the Royal Navy and 
F.R.S., for his communication respecting certain articles of 
Materia Medica used in Africa: and the silver medal to 
James Hunter, Esq. F.H.S. 
ROYAL ACADEMY OF SCIENCES OF PARIS. 
Aug. 8.—M. de Monferrand, professor at the Royal Col- 
lege of Versailles, wrote to the Academy with the design of 
showing that the properties of curves of the second degree, re- 
specting which M. Hachette had communicated a paper, were 
already known.—M. Dupetit-Thouars read a notice on the di- 
latation which slips of the White Poplar sometimes undergo. 
—A memoir by MM. Quoy and Gaimard was read, entitled 
Observations on certain Crustacea, considered with regard to 
their habits and geographical distribution ; succeeded by the 
description of some new species discovered during M. Frey- 
cinet’s circumnavigation of the globe.—Dr. Lassis read a no- 
tice on the epizooty of 1815, and on that of the present year ; 
and also the continuation of another notice on the causes of 
epidemics. 
Aug. 16.—M. Dupin read a notice on a new precept in 
geometry and mechanics, applied to the arts.—MM. Vau- 
-quelin and Thenard made a favourable report on the memoir 
of MM. Bussy and Lecanu, entitled On the action of heat 
on the fatty bodies; and on that by M. Dupuy, On the distil- 
lation of those substances.—M. de Lacépéde presented the 
new statutes of the University of New York, together with 
some ‘meteorological observations made at Albany in that 
state. —M. Moreau de Jonnés read a note on the official in- 
quiries respecting the contagion of the yellow fever and the 
plague.—M. Marion read a memoir on cauterization in small- 
pox and other eruptive disorders. 
Aug. 22.—M. Bressy, a physician at Arpajon, transmitted 
to 
