INDEX. 
Mogily, or barrows-, account of a remarkable one, p. 357. 
— Abound in nitre, ibid; 
Monti RoJJi , account of them, p. 127. 
Moon , account of it’s appulfe to the planet Jupiter, ob- 
ferved at Chelfea, p. 31.— Eclipfe of it obferved at Cal- 
cutta, p. 25.6. 
Mount ame, Mr. William, his defence of Mercator’s chart 
ao-ainli the cert fare of the late Mr. Weft of Exeter, 
o 
p. 69. 
Murdock , Mr. P. his rules and examples for limiting the 
cafes in which the rays of. refraCted light may be reunit- 
ed in a colourlefs pencil, p. 173. 
Mufcular rigidity , effects of electricity on it, p. 10. 
N. 
Netberby, it’s name under the Romans, p. 136. 
Newton , Sir Ifaac, his proof of the property of the lever, 
p. 109. 
Nitre , method of making it in Podolia, p. 356.— Signs of 
it in a foil, p. 357.— Thoughts on it’s origin, p. 363.— - 
More of it made in the PrufTian dominions than in all 
Europe befides, p. 362.— Chemical proceffes concern- 
ing it, p. 3d/. 
Obfervatories at Greenwich and Paris, theii difference of 
Longitude determined by Mr. Short, p. 158. 
Opbris , fpecies of, p. 8ii 
Opiftbonos , account of this difeafe, p. 22. 
Opticks , obfervations in, p. 229. . . 
Oxfordjhire , it’s Valerian-roots the moft medicinal, p. 19S. 
P. 
Paintings , Etrufcan, 127. 
Pallas, Dr. Simon, of Berlin, his ftate 
in the winter of 1762. 
2 
of the cold there 
p. 62 
Parallax 
