Royal Academy of Sciences of Paris. 141 



memoirs which M. Berthier had presented to the Academy at one 

 of its late sittings. — M. Prevost read an extract from a new me- 

 moir on geology. 



July 9. — The Minister of the Marine forwarded Observations on 

 various subjects, which had been sent to him from New Holland, by 

 M. Durville. — M. Rembielinski presented a memoir, entitled De- 

 scription des conrbes prod act ionelles. — M. Velpeau read a memoir, 

 entitled R6cherch.es stir Vceuf humain. — M. Serullas read a memoir 

 already noticed in the Annates. — M. Cordier, in the name of a Com- 

 mission, gave a favourable account of the memoir lately read by 

 M. Prevost. — The Commission for the presentation of candidates 

 for the place of Foreign Associate, vacant by the death of Volta, was 

 composed of MM. Arago, Fourier, Legendre, Cuvier, Thenard,and 

 Desfontaines. — A secret Committee of the Section of Mineralogy 

 presented the following list of candidates for the place vacant by 

 the death of M. Ramond : MM. Bonnard, Berthier, and Constant 

 Prevost. 



July 1 6. — The lamented death of M. Fresnel was announced to the 

 Academy. — M. Keller, engineer in the Marine, requested permission 

 to deposit a sealed packet. — M. Boucharlat also sent a sealed 

 packet, containing the results of his experiments upon ammonia, 

 and an analysis of a memoir On the possibility of considering am- 

 monia as an hydracid as well as an alkali. — M. Cuvier reported re- 

 specting the fossil bones found in the cavern of Oisselles near Be- 

 sancon. — M. Berthier was elected a member of the Academy — 

 M. Andreossy presented an historical notice of the giraffe. — M. 

 Turpin read a memoir On the structure and reproduction of the 

 truffle compared with those of the toadstool. 



July 23. — M. Arago communicated several new experiments on 

 bromine, by M. Aug. de la Rive.— M. Cordier finished the reading 

 of his paper On the temperature of the earth. — M. Turpin con- 

 cluded his memoir On the reproduction of the truffle. — M. Du- 

 trochet communicated some observations on Endosmosis and Exos- 

 tosis. 



July 30. — M. Roger sent the Elements of the calculation by which 

 he determined the height of Mont-Blanc — M. Thenard, in the 

 name of a Commission, reported that the manuscripts of M. Rei- 

 neck, who died at Ancennis, contained nothing worthy of being 

 printed: the examination was made at the request of the Minister 

 of the Interior. — M. Collard de Martigny communicated an an- 

 nouncement of the principal consequences deduced from his re- 

 searches into the alterations produced in the quantity and composi- 

 tion of the blood and lymph, by complete abstinence from liquid 

 and solid food. — M. Binet read a memoir On the determination of 

 the orbits of planets and comets. — MM. Robiquet and Colin read 

 a second memoir on madder. — M. Savart presented a new memoir 

 On the vibrations of solid bodies. — At a secret sitting, the 

 President, in the name of the Commission of the 9th of July, pre- 

 sented the following candidates for the vacant place of Foreign As- 

 sociate. In the first rank, Dr. Thomas Young, of London ; and af- 

 terwards, 



