The C O N T E N T S. 
VIII. A Letter from Mr. Richard Lewis, at Annapolis 
in Maryland, to Mr. Collinfon, F. P- S. containing 
the Account of a remarkable Generation of Infedts $ of 
an Earthquake 5 and of an Explofion in the Air. 
IX. A Letter from Mr. Evan Davis to Mr. John 
Eames, F. p. S', concerning fame Children inocula- 
ted with the Small-Pox, at Haverford-Weft in 
Pembrokefliire„ 
X. ObferVatmu of the Variations of the Needle and Wea- 
ther,, made in a Voyage to Hudfon’s-Bay, in the Tear 
17 1 \ , by Capt. Chriftopher Middleton, communicates 
to the Royal Society by Mr. Renj., Robins, F. % S . 
with a Letter to Mr. Robins. 
XI. ObferVatb Echpfis Solis totalis cum mora fafla Go- 
thoburgi Sveciae, fubeleV. Poli 57* 40' 54,", d. 2Maij, 
jlylojul. Ami t'73 3, a/Dom. Birgero Vaflenio, Leflo- 
re imtbenn in Gymnafio Pegio Gothoburg. 
XII. Propofals for the Improvement of the Hift. of Ruflia, 
by publifhing , from time to time,feparate (Pieces to ferVe 
for a Colleflion of all forts of Memoirs relating to the 
Tranfaflions and State of that Nation : <By Ger. 
Fred. Muller,, Prof. Hift. Petropol and F. p^S. 
TranjlateAfrom the German by Mr. Z<olman. 
XIII. An Account of an Experiment contrived by G. J. 
s’Gravefande, F. % S.. Prof. Math, at Leyden, rela- 
ing to the Force of moving Bodies, Jloewn to the Royal 
Society, by J. T. Defaguliers. LL. T>< and F. p. S. 
