CONTENTS 
TO 
VOL. LXIV. Part L 
L Bfervations on the Solar Spots . By Alexander 
Wilfon, M. D. Profefor of PraBical Agro- 
nomy in the TJniverfty of Glafgow. Communicated 
by the Rev. Nevil Mafkelyne, Aftronomer Royal. 
. P* 1 
II. Afronomical ObfervaUons by the Millenaries at 
Pekin. Franfmitted to the Supra-cargoes at Can- 
ton, by the Rev . Father Louis Cipolia, of the 
tribunal of Mathematics , and communicated to the 
Royal Society by. the Court of DireBors of the Eafl>- 
India Company-, p. 3 1 
III. . The Lunar Eclipfe October 11, 1772, obferved 
at Canton. Communicated by John Blake, EJ'q. 
of Parliament-Street. p. 46 
IV. Experiments on Dying Black , by Air. James 
Clegg, of Redivales, near Bury. In a Letter to 
Dr. Percival. p. 48 
V. Obfervations on the State of Population in Man- 
chefter> and other adjacent Places. By T. Per- 
cival, 
