Roi/al Academic of Sciences of Paris. 465 



pursuits of scier^ce are at all times promoted by the intro- 

 ductionofa happy technical mnemonics 



After the reading of this elaborate and interestino- naner 

 the Society adjourned to Friday the 1 1th of Novembe'r next. ' 



ROYAL ACADEMY OF SCIENCES OF PARIS 



March 14.-M. Deyeux made a report on the means for 

 rffica'cTouf ) M M"rh'^ (these means 'are neither novel nor 

 snecHv^ -^r^-; ^'^^r^" ^^''^ an account of a work on Per- 

 spective, and of Its application to surveying and to military in- 

 vestigations which M. Boscary, an officer in the Sery 

 service, had presented in December last. The autlmi wlu 

 duS'thp'r^ contnn:e his researches.-M. de Humboldt con- 

 cluded the reading of his memoir on some physical pha^nomena 

 presented by the C<.rdillera of the Andes If Quko 3 the 

 Se mT 1- '^' I^"-^J-y-'— M. Cuvier read a memoir on 

 the Mynpristis, a new genus of fish of the family of the 

 Perches, remarkable by the connexion of its swimming-blad! 

 der and of its ear._M. Auzout presented a specimen'of ar- 

 tificial anatomy M. Babinet read a memoir on a new method 

 of discovering the masses of the planets. 



March 21. —The Academy received the following works in 

 ^^TnuT'- '^^'"?'7" the composition of new wate?-cements, 

 and on the general theory of mortars, by M. Girard ; Trea^ 

 tise on the hyper-archisophic and the olo~palingenic calculus, 

 by an anonymous writer ; New arrangement of the anima 

 kingdom, by M. Lamouroux.-M. de^Humboldt presented a 

 new vertical section of the south of Germany and of France, 

 extending from the Black Forest to Paris, founded on a 

 barometric levelling by MM. d'Ogelausen, La Roche, and 

 Decheux, engmeers du Corps dcs Mines of Prussia —M 

 Cauchy made a report on a memoir by M. Brisson, entitled,' 

 New researches relative to the integral calculus of partial 

 differences : 1 he conclusions of this report were not adopted 

 by the Academy._M Cuvier read a mem(,ir on the fresh-water 

 fishes of India, which have the faculty of living a long time 

 out "f ^ater; and on the organs from which they derive this 

 iaculty.~M. Guillemain read a memoir on the pollen of plants 

 and on the generation of vegetables. 



March 28.-M de Humboldt presented to the Academy, 

 m the names of MM. Noeggerath and Bischof, a specimen of 

 meteoric iron, weighing SlOOpomids, found on the summit of 

 a hill at B.tburg, near Treves. This mass contains nickel 

 and sulphur, but ncitlier chrome nor carbon*.— M. G. de St. 

 • -VIM- NVggcratirs aiul Hiscliof's memoir en this mass forms the first 

 article of our present N.mihcr.— Edit 



Vol.65. No.32f,-. June 1825. 3 N Hilairc 



