Royal Academy of Sciences of Paris. 563 



certain extent. He presented a specimen of the Birgus LatrOy 

 in which, besides branchice, there are organs which M. Geoffroy 

 regards as lungs. 



September 19. — M. de St. Hilaire continued the reading of his 

 memoir; and on 



September 26, he exhibited several living specimens of the 

 common Crab, C. Mcenas, and detailed verbally the results of his 

 researches on the respiration of the Crustacea, 



October 3. — M.M. Quoy and Gaymard read some Zoological 

 observations on the Corals, matte in the bay of Coupang^ at 

 Timor .i and in the Isle oj Guam, in the Mariannes. 



October 24. — M. G. de St. Hilaire read a memoir On the 

 Olfactory organs of Fishes, 



October 31. — M» Serres communicated a work, in manuscript^ 

 On the comparative Anatomy of Animal Monsters, 



November 7. — M. Latreille was appointed to make a verbal 

 report on M. de Blainville's " Manuel de Malacologie et de Con<- 

 chyologieJ'^ M. de Ferussac read a memoir, entitled, A methodical 

 view of the class Cephalopoda, pre*ew^/w^ a riew classification ; by 

 M. Dessalines d'Orbigny, jun. 



November 14. — M.M. Geoffroy de St. Hilaire, Latreille, and 

 Dumeril gave a report on M. Serres's work On animal monsters. 

 M. Dumeril gave a verbal account of M. de Blainville's Com- 

 parative Anatomy. 



November 21. — M. de Blainville was elected a member of the 

 Class of Anatomy and Zoology, in the room of M. de Lacepede, 

 deceased. 



November 28. — The President announced that the king had 

 granted a pension of 1200 francs to M. de Savigny. 



December 5. — M. Dejean presented a memoir on the tribe of 

 Simplicipedes, in the family of Carabidce. 



December 12. — M.M. de St. Hilaire and Latreille made a very 

 favourable report on M. d'Orbigny's memoir on the Cephalopodous 

 Mollusca.w 



December 19. — M. Gaymard read a memoir, entitled, A De- 

 scription of some lithophyte polypi of the genera Fungia, Caryo- 

 phyllia, Madrepora, Meandrina, and Pocillophora, observed in 



2 N 2 



