CONTENTS 



Page 

 Art. I. Biographical Memoir of Baron De Beauvois. By Ba- 

 ron CuviER, - - - - - 1 



II. On the general presence of Spiral Vessels in the Vege- 

 table Structure ; and on the peculiar Motion obser- 

 vable in detached pieces of the living bark of Urtica 

 nivea. By Mr David Don, Libr. L. S. &c. Com- 

 municated by the Author, - - - 21 



III. On the Great Solar Eclipse which will take place on 

 the 17th July 1833, being the principal Results of 

 a Calculation for Edinburgh Observatory. With a 

 Projection. By Mr George Innes, Aberdeen, 23 



IV. On the Velocity of Sound. By Mr Henry Meikle, 26 

 V. Examination of the Experiments hitherto published 

 on Subterranean Temperature, together with Expe- 

 riments and Inquiries relative to this Examination. 

 By M. L. CoRDiER, Member of the Royal Academy 

 of Sciences, and Professor of Geology in the Gar- 

 den of Plants. (Concluded from last Vol. p. 29I.) 32 



VI. Descriptions of Columellia, Tovaria, and Francoa; 

 with Remarks on their Affinities. By Mr David 

 Don, Librarian of the Linnean Society, Member of 

 the Imperial Academy Naturae Curiosorum, of the 

 Royal Botanical Society of Ratisbon, and of the Wer- 

 nerian Society of Edinburgh, &c. Communicated 

 by the Author, - - - - 46 



VII. Remarks on a peculiar kind of Red Snow observed 

 on the Arctic Ices. By the Rev. William Scoresby, 

 F.R.S.L. & E. Member of the French Institute, 

 M.W.S. &c. Communicated by the Author, 54 



VIII. The Mermaid of the Shetland Seas, - - 57 



IX. On Seeing in Water ; How do some Animals See in 



the Dark : On Seeing at a Distance, - 6I 



