CONTENTS. 



Page 

 Art. I. On the State of Natural History, and the progress 

 which it has made since the return of the Maritime 1 

 Peace. By Baron Cuvier, - - - 1 



II. On the Excavation of Valleys, as illustrated by the 

 Volcanic Rocks of Central France. By Charles 

 Lyell, Esq. F. R. S. Vice-President of the Geologi- 

 cal Society of London, &c. and Roderick Impey 

 MuRCHisoN, Esq. F.R.S. Secretary to the Geologi- 

 cal Society of London, &c. With Three Plates. 

 (Communicated by the Authors), - - 15 



III. Sketches of the Meteorology, Geology, Agriculture, 



Botany, and Zoology of the Southern Mahratta 

 Country. By Alexander Turnbull Christie, 

 M. D. Member of the Wernerian Society. (Conti- 

 nued from p. 120. of preceding Volume), - 49 



IV. On Thirst in Snow-covered Countries. By Mr J. F. 



Sloane. Communicated by the. Author, - 65 



■ V. On Clinkstone or Phonolite. By C. G. Gmelin, 68 



VI. 1. Observations concerning Fossil Organic Remains. 

 By J. C. DooRNiK, M. D. &c. 2. Werner's Views 

 of the Natural History of Fossil Organic Remains. 

 3. Werner's Advice to Students of Geology, 72 



VII. , Observations on the Characters and Affinities of Dar- 

 winia, Brunsfelsia, BrowaUia, Argylia, Eccremocar- 

 pus, and of a Plant improperly referred to the latter 

 genus. By Mr David Don, Librarian of the Lin- 

 nean Society, Member of the Imperial Academy 

 . Naturae Curiosorum, of the Royal Botanical Society 

 of Ratisbon, and of the Wernerian Society of Edin- 

 burgh, &c. Communicated by the Author, - 83 

 VIII. A Notice of the Beaver, from Observations made en 



Two Living Specimens at present in this Country, 90 



