CONTENTS. 
L 1 V. Remarks upon the Heat of the Air in July 
17 57, in an Ext raff of a Letter from John Hux- 
ham, M.D. F.R.S. to William Watfon, M.D . 
F.R.S. dated at Plymouth lqth of the fame 
Month. With additional Remarks by Dr. Watfon. 
p. 428. 
LV. Remarks upon the Letter of Mr. John Ellis, 
F.R.S. to Philip Carteret Webb, Efq j F.R.S. 
printed in the Philofophical Tran factions, Vol. xlix. 
Part ii. p. 806. By Mr. Philip Miller, F. R. S. 
p. 430. 
LVI. An Anfwer to the preceding Remarks. By 
Mr. John Ellis, F.R. S. p. 441. 
LVII. A Letter to the Rev. Tho. Birch, D.D. Seer. 
R . S. concerning the Number of the People of 
England ; by the Rev. Mr. Richard Forfler, Rec- 
tor of Great Sbefford in Berkshire. p. 457. 
LVIII. A Letter to the Right Honourable the Earl 
of Macclesfield, P ref dent of the Royal Society, 
from the Rev. William Brakenridge, D.D. F.R.S. 
containing an Anfwer to the Account of the Num- 
bers and Increafe of the People of England, by the 
Rev. Mr. Forlier. p. 465. 
E R R A- 
