[ 29.5 ] 

 XLV. Proceedings of Le earned Societies. 



ROYAL ACADEMY OF SCIENCES OF PARIS. 



June 12. — HPHE Rev. Mr. Bremner, a Scottish clergyman, 

 -*- communicated a memoir on magnetism. — 

 M. Solier presented a plan of the experiments he has instituted 

 with the object of determining the action of the sun on co- 

 lourless flowers. — M. Latreille presented some specimens of 

 Cardium edule, found in a recent alluvium at Abbeville, at the 

 depth of about twenty-three feet, and at the distance of four 

 leagues from the sea in which these animals live. — M. Miche- 

 lot announced that M. Billaudel, civil engineer at Bordeaux, 

 had discovered in a quarry on the banks of the Garonne, a 

 cavern in which he found a quantity of the bones of various 

 animals ; among them the jaws of the hyaena, of the lion or the 

 tiger, and of the badger, bones of the ox, &c. — M. Chevreul 

 terminated the reading of his paper entitled Chemical re- 

 searches on dyeing ; application of indigo and prussian blue 

 to silk. — Dr. Murphy presented a manuscript work, entitled 

 A Dissertation on the affinity which exists between the phe- 

 nomena of the tides and the temperature of the atmosphere. — 

 M. Turpin read a memoir, entitled Organographie vegetate: 

 observations on some microscopic vegetables, and on the func- 

 tion which their analogues enjoy in the formation of the cel- 

 lular tissue. 



June 19. — M. Magendie read a note on the direct applica- 

 tion of galvanism to the nerves of the orbit, and on the em- 

 ployment of this method in the treatment of amaurosis. — 

 MM. Thenard and Blainville gave a favourable report on 

 M. Laurent's new method of drawing on stone. — M. Dupetit- 

 Thouars read a memoir on the green colour of vegetables.— 

 M. Daubree read some observations on the deterioration of 

 the colour of prussian blue, called (in dyeing) Raimond blue. 

 June 26. — M. Dupetit-Thouars announced his intended 

 work on the history of the Orchidean plants collected in the 

 Isles of France, Bourbon, and Madagascar. — M. Collard, of 

 Martigny, read a memoir, entitled On the action of carbonic 

 acid gas on the animal ceconomy. 



July 3. — M. William Brandes presented a copy of his work, 

 entitled De repentinis variationibus impressione atmosphere 

 observatis: it was accompanied with a letter to the Academy 

 explaining the object of his researches, and requesting the 

 communication of documents suitable for the completion of 

 his undertaking. M. Arago mentioned the results of various 

 barometrical observations, in relation to this request. — The 



Academy 



