CONTENTS. 
Virginia d neceffitatibus , diftee a Joanne Che- 
v altar, Frasbytero Secular i Congregationis Ora- 
tor it, Anno p. 546. 
LXXII. Obfervario Solis defeftus UHJJlpone habita, 
in z_yEde Beatiffimte Virginis a neceffitatibus , 
nuncupate a Joanne Chevalier , Frasbytero Con- 
gregationis Oratorii , die 2 6° Oftobris 1753. 
p. 546. 
LXXllI. An Account of fome aftronomical Objer- 
vations taken at Lisbon by M. John Chevalier, 
in the Tear 1753. By James Short, M. A. and 
F. R. S. > p. 548. 
LXXIV. An Explanation of a new Injlrument for 
meajuring fmall Angles , the firft Account of 
which was read before the Royal Society May 1 o, 
1 75'3- By Mr. John Dollond. In a Letter to 
James Short, M. A. and F. R. S. p. yyi. 
LXXV. An Account of an Earthquake felt at 
York on the 19th of April 1754. In a Letter 
from Mr. David Erskine Baker to Tho. Birch, 
D. D. Secret. R. S. p. 564. 
LXXVI. An Invejligation of fome Theorems which 
juggeft fome remarkable Properties of the Circle , 
and are of Uje in refolving Fractions, whofe 
*. Denominators are certain Multinomials , into 
more fimple ones. By Mr. John Landen. p. 566. 
LXXVI I. An Account of an extraordinary Llifeafe 
of the Skin , and its Cure. Extracted from the 
Italian of Carlo Crufio; accompanied with a Let- 
ter of the Abbe Nollet, F. R. S. to Mr. William 
Watfon, F. R. S. by Robert Watfon, M. D. 
F.R.S* ?• $79° 
[3 b i 1 
LXXVIII, 
