Royal Academy of Sciences of Paris. 563 



tertain extent. He presented a specimen of the Birgus LatrOf 

 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 



Sejjtember 26, he exhibited several living specimens of the 

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

 researches on the respiration of the Crustacea. 



Octobers. — M.M. Quoy and Gaymard read some Zoological 

 observations on the Corals, made in the bay of Coupung^ at 

 Timor ^ and in the Isle oj Guanij 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, 

 Oji 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- 

 chyologie." M. de Ferussac read a memoir, entitled, A methodical 

 view of the class Cepha\oi)oda, presenting a new 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. 



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

 scriptio7i of some lithophjte polypi of the genera Fungia, Caryo- 

 phyllia, Madrepora, Meandrina, and Pociilophora, observed in 



2 N 2 



