Proceedings of Scientific Institutions. 473 
FOREIGN : 
Academy of Sciences.—Dec. 21. 1829. Mr. Pelletier announced to the Aca- 
demy, that he had succeeded in Manufacturing Sulphate and Carbonate of Mag- 
nesia, in great quantities, from Magnesian Limestone, of which there exist many 
beds in France which have hitherto been neglected. 
- Mr. Chevalier addressed a Memoir of Mr d’Arcet, on the Property which 
Chlorurets possess of preserving from the Plague. 
Mr. Boisbertrand sent a process, intended to render the forgery of Notes 
impossible. 
The Council of Health sent to the Academy a Memoir of Drs. Thionville and 
Vanderbuch, on the Fossil Vertebre and Ribs of a great Oviparous Quadruped, 
which the authors found in the environs of Paris, accompanied with Fresh Water 
Shells and a Human Finger, which appears to be the ring finger of the left hand. 
Messrs. Brochant and Cordier were appointed to report on it. 
Mr. Poisson reported on the work of Mr. Jacobi, entitled, Nova fundamenta 
functionum ellipticarum. 
Mr. Chevreul made a very favourable report on the Memoir lately presented to 
the Academy by Mr. Serullas, relating to the action of different Acids on the 
Neutral Iodate of Potassa. 
Mr. Serullas read a note, containing a Continuation of his Researches on 
Lodic Acid. 
M. Dnmeril reported on a Memoir of Mr. Strauss, containing the Anatomical 
Description of the Tegumentary and Muscular System of the Mygale aviculare. 
Acts of the Geographical Society. Meeting of Oct. 2. 1829. Mr. William 
Darby of Philadelphia sent several Geographical Works, of which he is the au- 
thor, to the Society. 
Mr. Jomard communicated a letter from Mr. Muller, interpreter at Senegal, 
announcing that he had occupied himself with an Hassanian Moorish vocabulary, 
and giving details of a negotiation carried on between the French Colony and the 
New King of the Trarzas. He also gives an account of the attack made by the 
Almamy of Fouta-Toro against the King of the Braknas Moors, who defeated 
him, with severe losses. He adds, that Mr. Duranton left Kasso for Bambeuk, 
where he will occupy himself in mining gold. 
Mr. Charles Moreau presented the Map of the Colony of Swan River, exe- 
cuted by Captain Stirling; and the Correspondence of the Colonial Department. 
Mr. Cadet de Metz read the Continuation of the Account of Captain Parry’s 
Expedition to the North Pole. 
Mr, Marcus read Extracts from an unpublished work on the History of the 
Colonies established in Abyssinia and Senaar, from the seventh century before 
Christ to the fourth century of the Christian era. 
Oct. 16. Mr. Yosy, Secretary of the Medico-Botanical Society of Londen, 
announced that he is about to depart for America, where he will explore the 
Banks of the Mississipi and of the Missouri, the Rocky Mountains, California, 
Mexico, Columbia, and Brazil; and that he will be happy to receive the instruc- 
tions of the Society. 
Mr. Warden reported on the Documents relative to the Colony of Swan River. 
The same Member, in the name of Mr. Skiddy, made a communication on the 
Survey of the Virgin and Devil’s Rocks, by Captains Bishop and Rose. 
Mr. de la Pylaie communicated the results of the Researches of Mr. Miorcec 
de Kardannec in ancient Armorica. The Researches of this gentleman have 
fixed the positions of the towns of Ocismor, of Manathias de Tolente, and the 
extent of the country of the Agnotes, comprising six little tribes or cities. 
The reporter added to these the discovery he himself had made, of several 
Roman walls at the Castle of Brest, which had escaped Mr. de Kardannec. 
Mr. Marcus read the second part of his report on the Colonies established in 
Abyssinia and Senaar. 
