CONTENTS. 



PAGE 



Art. I. Observations on the Nature, Longevity, and Size of 

 Trees. By Alexander Harvey, M.D., Lecturer 

 on the Institutes of Medicine in the Marischal 

 College and University of Aberdeen. Communi- 

 cated by the Author, .... 



II. Some Remarks on the High Temperature in the 

 United Mines in Cornwall. By Robert Were 

 Fox. Communicated by the Author, . 



IV. 



V. 



VI. 



On the Use of the Microscope as an aid in Chemical 

 Inquiry. By John Davy, M.D., F.R.S., L. & E. ; 

 Inspector-General of Army Hospitals, . 



Note on '' Sheep-Manure." By John Davy, M.D., 

 F.R.S., &c., Inspector-General of Army Hospi- 

 tals, ..... 



23 



III. Further Evidence of the Existence of Glaciers in 

 Scotland in Ancient Times. By Charles Mac- 

 LAREN, Esq., F.R.S.E. Communicated by the 

 Author, . . . . * 25 



38 



On the Quantity of Rain in the Lake Districts of Cum- 

 berland and Westmoreland. By J, F. Miller, 

 Esq. Communicated by the Author, . 43 



60 



