I 



Medico-Botanical Societi/. — FrenchAcademij.Encke' s Comet. 307 



MEDICO-BOTANICAL SOCIETY. 



The Medico- Botanical Society of London held its first 

 Meeting this Session on Friday, Oct. 10. An address was de- 

 livered to the members on the objects and utility of the Insti- 

 tution ; after which the death of its late honorary member. 

 Dr. Baillie, was notified to the Society, accompanied by an 

 appropriate eulogium on his character. The Meeting then 

 adjourned to Oct. 31, 1823. 



ROYAL ACADEMY Or SCIENCES OF PARIS. 



June 30. — M. Gaillon of Dieppe communicated some mi- 

 croscopic and physiological Experiments on a Marine Con- 

 ferva; and M. Arnoul a Memoir on Equations of three terms. 



MM. Cauchy and Ampere gave an account of a Memoir, 

 by M. Texier de Montainville, on the Inscription of the Cube 

 in the Octahedi'on. The author shows that this problem is 

 undetermined. If we take for the axes of x, y, z, the three 

 diagonals of an octahedron, every section made in this octa- 

 hedron by a plane parallel to x, ij, will be a square ; and if 

 double the distance of the two planes is contained between 

 the side of the square and its diagonal, it is clear that in the 

 square treated of may be inscribed a second, which will be- 

 come the base of a cube inscribed in an octahedron; and 

 what is remarkable is, that the summits of all the cubes in- 

 scribed in this manner trace on each face of the octahedron an 

 equilateral h\']3erbola. 



M. Arago gave an account of the experiments which Mr. 

 Wheatstone had just been making in England on Phonic 

 Vibrations. 



M. Giraud read a third Memoir on Navigable Canals, 

 considered with I'egard to the fall and distribution of the 

 locks. 



M. GeofFroy-Saint-Hilaire read a Note on the Respiration 

 of the Foetus. 



M. Longchamp read a Memoir on the Analysis of Phos- 

 phoric Acid, and of Phosphates. 



LXV. Intelligence arid Miscellaneous Articles. 



HISTORY OF THE REDISCOVERY OF ENCKE's COMET. 



nPME merit of tlie rediscovery of this comet *, which has ex- 

 -■- cited great interest, is due to our countryman, Mr. James 



• Sec Phil. Maj:. Ixi. p. -,'75—282. 



Q <! y Dunlop, 



