Royal Academy of Sciences of Paris. 303 



Feb. 7. — M. Olievier transmitted from Stockholm some the- 

 orems relative to the theory of cog-wheels. 



M. Magendie communicated an observation confirming his 

 view respecting the so-called olfactory nerve, that it is not the 

 nerve of smell : this was, that a man in whom the anterior part 

 of the brain and the olfactory nerve had been altered or de- 

 stroyed, still retained the sense of smell. 



Feb. 14. — M. Bailly communicated several results of an in- 

 vestigation in which he is engaged, for the purpose of deter- 

 mining whether the births of males and of females indicate any 

 coincidence with physical causes susceptible of being appre- 

 ciated by our means of observation. He annouriced a detailed 

 memoir on the subject. — M, Dupetit-Thouars made a report 

 on a botanical memoir by M. Raspail. — M. Cauchy commu- 

 nicated a note on the calculus of remainders and on the defi- 

 nite integrals. 



Feb. 21. — M. Dumeril presented, in the name of the author, 

 some prophylactic and curative views on the yellow fever, ex- 

 tracted from a memoir by M. Fourreau de Beaunegand on the 

 physical and medical topography of Florence. — M. Latreille 

 gave a verbal report relative to a memoir by M. Loiseleur 

 Deslonchamps, on the means of obtaining several crops of silk 

 in a year. — MM. Desfontaines and Mirbel made a favourable 

 report on a memoir by M. Lamoufoux relative to the geo- 

 graphy o^ hydrophytes : as did MM. Brongniart and Beudant 

 on M. Basterot's memoir respecting the geology of the terti- 

 ary basin of the south of France. 



Feb. 28. — M. Opoix (who had invented a method of pre- 

 serving butter fresh) announced that he had brought it to per- 

 fection ; he presented a sealed vessel of butter six months old, 

 and requested that it might be examined : M. Deyeux was ap- 

 pointed to this examination. — M.Joseph Lowry transmitted a 

 memoir respecting a progressive projection of the northern and 

 southern hemispheres, with three maps on this principle. — A 

 memoir was submitted to the Academy, entitled Perspective 

 geometry, or A new method of representing objects ; by an 

 engineer of bridges and causeways. — A report by M. D' Arcet 

 was read on M. Chevreusse's physico-chemical researches on 

 carbon. — M. GeofFroy St. Hilaire read a memoir on the na- 

 tural affinities of the fossil crocodile of Caen, and on the 

 formation from it of a new genus, under the name of Teleo- 

 saurns. — M. Civiale read a sunnnary of observations in con- 

 tinuation of his memoir on the lithontripttn-, or new mode of 

 destroying stones in the bhidder. — M. Cauchy read an ana- 

 lytical memoir <hi defiiiite integrals taken between imaginary 



limits. 



