t vi 3 
VII. An Enquiry concerning the Nature of Heat, and the Mode of 
its Communication. By Benjamin Count of Rumford, V. P. R. S. 
Foreign Associate of the National Institute of France, &c. p. 77 
VIII. Experiments and Observations on the Motion of the Sap in 
Trees. In a Letter from Thomas Andrew Knight, Esq. to the 
Right Hon. Sir Joseph Banks, Bart. K. B. P. R. S. p. 183 
APPENDIX. 
Meteorological Journal kept at the Apartments of the Royal 
Society, by Order of the President and Council. 
