312 Mfoceedingi ^Scientific Institutions'. 



Academy of Sciences.-^Meeting of I5th February, 1830 — The Baton 

 Roussin wa8 elected to the place vacant by the decease of Mr. de Rossel, 



Mr. Latreille was elected Professor of Entomology to the Museum of Natural 

 History. 



Mr. Navier read a letter from Colonel Raucourt, " On the temperature of tha 

 Heva, and on the formation of ice at the bottom of that river," 



Messrs. Robiquet and Boutron-Charlat informed the Society that they had 

 obtained Benzoic acid, in a neutral state, from the oil of bitter almonds, 



Messrs, Puissant, Dupin, Dainoiseau, and de Prony reported favourably on 

 the globes and planispheres of M, Miller. 



Messrs. Desfontaines and Mirbel reported fkvourably on a memoir on the 

 Capparideae, by Mr. Cambessides. ■ 



Mr. Geoffroy St. Hilaire reported also favourably on a memoir on the organiz- 

 tion of the Crustaceae, by Messrs. Laurencey and Meyraux. 



Mr. Navier reported very favourably on a work of Mr. Beaudemoulin on 

 Hydraulics. 



Meeting of 22d February — Baron Cuvier read a memoir, being consi- 

 derations on the MoUusca, and on the Cephalopoda in particular. 



Mr. Mirbel reported favourably on a memoir on the families of plants, with 

 parietal placentas. 



Meeting of 1st March Mr, Geoffroy St. Hilaire read a memoir on the cha- 

 racter of the doctrine of uniformity of organization, called Theory of Analogies. 



Mr. Dalton was elected to the place vacant by the decease of Sir Humphrey 

 Davy. 



Meeting of 8th March.-^MT. Auguste St. Hilaire was elected to the place 

 vacant by the decease of Mr. Lamarck. 



Mr. Puissant read a memoir, being a new application of the calculation of proi 

 babilities. 



Mr. Becquerel communicated the discovery of sulphuret of lime in abed of ar- 

 gillaceous marl, accompanying the gypsum formation of Montmartre. 



JMessrs. Freycinet and Beautempre de Beaupre reported favourably on Captain 

 •Dillon's work. 



Mr, Serullas read a memoir on the mutual action of iodic acid and morphine, 

 or of the acetate of that base. 



Meeting of Kith March — Mr. Chevreul announced the reception of a letter 

 from Berzelius, in which he communicated the discovery of butyric acid in hu- 

 man urine. 



Mr. Serullas read some observations on the chloruret of iodine. 



Mr. Roussin reported favourably on Mr. Beltrami's work on Mexico. 



Mr. Girou de Buzareignes read, in the name of his father, some experiments on 

 the generation of plants. 



Mr. Gerdy read a memoir on the mechanism of the motion of the limbs and of 

 the body in the act of leaping. 



Mr. Milne Edwards addressed a memoir on a particular disposition of the 

 branchial apparatus in some Crustacea. 



Meeting of 2 2d March. — Baron Cuvier read a memoir entitled considerations 

 on the hyoid bone. 



Mr. Geoffroy St. Hilaire read a memoir, entitled " On the application of 

 the theory of analogies to the organization offish." 



Meeting of 29th March.^-Mr. Boubec read a memoir, being general conside- 

 rations on the animals that lived at the different geological epochs. 



Mr. Soubeiran read a memoir on the arseniurets of hydrogen. 



Mr. GeofR-oy St. Hilaire read a memoir on the hyoid bone. 



