CONTENTS. 



Page 

 Art, I. Biographical Memoir of M. Duhamel. By Baron 



CuviER, - - --- 1 



II. Observations in Answer to a Memoir by Messrs Sedg- 

 wick and MuRCHisoN on the Austrian Alps. By 

 Ami BouiT, M. D. F.G. S. M. W.S. &c. &c. Com- 

 municated by the Author, - - -. 14 

 III. On the Chemical Constitution of Brewsterite. By 

 Arthur Connell, Esq. F. R. S. E. Communi- 

 cated by the Author, - - - . 3.5 

 IV. A Series of Barometric Observations. By W. Gal- 

 BRAiTH, Esq. A. M. Communicated by the Au- 

 thor, - - - - - 40 

 V. On the Luxury of the Romans, - - 49 

 VI. An Account of a peculiarity, not hitherto described, in 

 the Ankle or Hock-joint of the Horse ; with Re- 

 marks on the Structure of the Vertebrae in the spe- 

 cies of Whale entitled Delphinus Diodon. By Ro- 

 bert J. Graves, M. D. M. R. I. A. King's Professor 

 of the Institutes of Medicine, Honorary IMember of 

 the Royal IMedical Society of Berlin, of the Medical 

 Association of Hamburgh, &c. &c. - - 59 

 VII. On the Lacustrine Basins of Baza and Alhama, in the 

 Province of Grenada in Spain. By Colonel Charles 

 Silvertop, M. G. S. L. Communicated by the Au- 

 thor. (Concluded from former Volume, p. 439.) 

 With a Plate, . - - - 65 

 VIII. On the Development of the Vascular System in the 

 . Foetus of Vertebrated Animals. Part II. By Al- 

 len Thomson, M. D. late President of the Royal 

 Medical Society. Communicated by the Author. 

 (Continued from former Volume, p. 327-), - 88 



