CONTENTS. 
Let. IV. A Copy of ^art of Two Letters^ written 
by JohnMendes Saccheti, M, D. F. R. S. to Dr. 
De Calh'o, F. R. S. dated from the Fields of 
Lifbon, on the yth ^’November, and the iji of 
December, i/ff. 
Extract (?/Let. V. From Mr. J. Latham, dated at 
Zfulqucira, December ii, i/ff, to his Uncle in 
London. Communicated by Peter Davai, Efq'^ 
Secret. R. S. p. 411. 
Let. VI. Ohfer^ations^ made at Colares, on the 
Earthquake at Lisbon, of the iji of November 
i75f, by Mr. Stoquelcr, Conful of Hamburgh. 
Communicated by Mr. H. Baker, F. R. S. p. 41^. 
Extract of Let. VIII. To Tilman Henkel, Efq-, Mer- 
chant in London, concerning the Earthquake at 
Oporto Portugal, Nov. I, 1756. Communicated 
by Mr. John Ell i cot, i^. i^. p. 418. 
Let. IX. ExtraB of Two Letters to Mr. Plummer, 
Merchant in London, from Oporto, concerning 
the Earthquake felt there. Communicated by Mr. 
John Ellicor, 7 ^. d’. p. 419, 421. 
Extra6iofE<it.Xl. FromO'^onoy by the TVefern, 
Capt. Knowler, dated Nov. i, ijqq. Communi- 
cated by Theodore Jacobfon, Eji F. R. S. p.421. 
Extract ofCtt. XII. From A'lonf. MuylTon to Monf. 
Bazin, concerning the Earthquake at Oporto, 
Nov. I, i/fL Communicated by M. Maty, M- D. 
F. R. S. Trajijlated from the French, p. 422. 
Extract of Let. XIJI. From Madrid, to the Spanifh 
Conful, ref ding in London. Tranjlated from the 
Spanifh. Communicated by Mr. John Ellieor, 
F.R.S. P - 42 3 - 
Let. XIV. An Account of the Earthquake at Cadiz, 
Nov. I, I7yy, ^ Letter from Mr. Ben. Bewick, 
Merchant 
