CONTENTS.' 
LVIl. ExtraB of a Letter i^/’Thomas Barker, 
to the Rev. James Bradley, ‘Z). D. /Ifironorner 
Royaly and F. R. S. concerning the Return of the 
Comet expeEied in 1757, or I7y8. p. 347. 
LVllI. An Account of an extraordinary and fur- 
prifing Agitation of the fVaters^ though without 
any perceptible Motion of the Earthy obferved in 
various Farts of this Iflandy both maritime and 
inlandy on Novem. i, 175'f, chiefly about theTime 
that the more violent Commotions of both Earth 
and Waters fo extenfively ajfeEied inany very 
dijiant Farts of the Globle : In fever al Letters 
tranfmitted to the Royal Society. 
Letter I. From Mr. John Robertfon, F. R. S. to 
Tho. Birch, F>. D. Secret. R. S. At Portfmoutli 
in Hampfhire. p. 35 '^* 
Let. II. From Philip Carteret Webb, Efp F. R. S. 
to Tho. Birch, D. D. Seer. R. S. In SuITex, and 
the Southern Farts of Surrey. p. 3 y3. 
Let. III. From Swithin Adee, M. D. F. R. S. to Phi- 
lip Carteret Webb, Efq'-> F. R. S. p. 3f7. 
Let. IV. From Swithin Adcc, M. D. F. R. S. to 
Philip Carteret Webb, Efq\ F, R. S. ibid. 
Let. V. From Mr. John Hodgfon to Philip Carteret 
\Vch\ Efq-y F:R.S. P. 3f8. 
ExtraEl of Letter VI. From Cranbrook in Kent, to 
William Tempeft, Efq-y F. R. S. p. 360. 
ExtraEi <?/Lct, Vll. Communicated by John Prin- 
gle, M. V). E. A. ■ ‘ p. 3^0- 
Let. VIII. From Mr. Henry Mills to T. Birch, D. D. 
Secret. R. S. P- 3^i* 
Let. iX. An Account of the Agitation of the W atcr 
in -Pecrlels-Pool, near Old Street, London. By 
Tho. Birch, F>. ED. Seer. R. S. p- 3<>2* 
Let.X. 
