334 Notices and Proceedings of Scientific Societies* 



(Approved ) M. de Blainville read the Memoir on the Dodo or Dronte, 

 which he had announced at the sitting of the 19th of last July. 



M. Savart read a memoir on the sensibility of the organ of hearing. 

 Madame Eude, nndwife, announced that she had received, on the 10th of 

 July, a boy which had double ])osterior extremities ; she proposed to shew 

 it to the Academy. M. GeofFroy St Hilaire engaged to inform Madame 

 Eude that the Academy accepted her offer with pleasure. M. Geoffroy 

 Jioped to be able to present next Monday a chicken which also had double 

 posterior extremities. 



September 6. M. Geoffroy St Hilaire read a memoir on the child exhibited 

 to the Academy by Madame Eude. M. Gay Lussac announced, that M. 

 J3raconnot of Nancy had discovered the substance called saUcine in the poplar, 

 as well as another substance, which he regarded as new, and which he named 

 popuUne. MM. Cuvier and Dumeril reported on the memoir of M. 

 Breschet, relative to the organ of hearing in some fishes. MM. Gay Lussac 

 and Serullas made a report on the memoir of M. Lecanu, on the colouring 

 matter of the blood, or hematosine. This matter is a combination of albu- 

 men and a peculiar colouring substance, which M. Lecanu proposes to name 

 globuline. MM. Gay Lussac, Flourens, and Navier reported on the memoir 

 dof M. de Chabrier, relative to the means of progression through the air, 

 -and to a new theory of the motions of animals. 



September 20. MM. Latreille and Dumeril made a report on the mono- 

 graph of MM. Percheron and Gaury on melitrophilous insects. M. Fred. 

 Cuvier read an essay on the natural classification of the bats, with descrip- 

 tions of several new species. 



September 27. MM. Henri Cassini and Mirbel reported on the obser- 

 vations on vegetable anatomy and physiology which Dr Schultz had presented 

 to the Academy ; from which it results, that vegetables possess a circulation, 

 in some respects analogous to that of animals. 



Oct. 11. M. H. Cassini, in the name of a commission, reported on a 

 manuscript "by M. Fee, entitled, " Monograph on the genus Trypethelium." 

 M. Geoff. St Hilaire presented to the Academy a continuation of his 

 anatomical researches, the third article of which was entitled " On the form 

 of the Post- Cranial I3ones in the Crocodile, and the identity of the same 

 organic conditions in the Teleosaurus." M. Cuvier, whose opinions differ 

 in many respects from those developed by M. St Hilaire, announced that he 

 would read a memoir on this subject at a future meeting. M. de Humboldt 

 read a notice of his travels in Siberia ; he gave also an analysis of the labours 

 of his companions, MM. Gustavus Rose, and Ehrenberg. (See p. 162, 

 3upra. ) 



Oct. 4 M. Cordier communicated some observations made by M. 



Rozet, on the geological constitution of the part of the kingdom of Algiers 

 which was occupied by the French troops. MM. Chevreul and Serullas 

 reported on the monograph by MM. A. Plisson and Hem-i, junior, on 

 Asparagine. M. Alexander de Humboldt presented a copy of his Memoir, 

 in German, on the mountain chains and volcanos of the interior of Asia, 

 and on a new eruption of the chain of the Andes ; accompanied by a map 

 of Central Asia. M. Geoffroy St Hilaire read a memoir on the great 

 Sauria found in a fossil slate, near the coast of Lower Normandy, attributed 

 pt first to the crocodile, but since determined under the names Teleosaurus 

 and Stenesaurus. M. Latreille read an extract from a memoir entitled, 

 " General Views on the Arachnida quadripvlmonata ; Notice of some New 

 Species of the Genus Mygale of Walcknaer." 



