INDEX. 
E. 
Earth , it’s mean diameter 3958 miles, p. 2. 
Earthquake , in Siberia, large account of, p. 201. — Re- 
flexions on it, p. 218. — At Chattigaon, 252.— .In the 
Eaft Indies, p. 256, 263, 265. 
Earths , calcareous, their fecundating qualities explained, 
p. 366. 
Eclipfe of the Sun, April 1, 1764, projection of it, 
p. 240. — Of the Sun and Moon obferved at Calcutta, 
p. 256. 
Eden, river, in Cumberland, a remarkable decreafe of. 
p. 7. 
Edwards , Mr. George, 
obfervation made by him in op 
tics, p. 229. 
Ehret , Mr. Geo. Dionyfius, his account of a fpecies of 
Ophris, p. 81. — Of a new Peruvian Plant lately intro- 
duced into the Englifli gardens, p. 130. 
EJaJiic fubftance, p. 459. 
Electricity, it’s effects on a tetanus, or mufcular rigidity, 
p. 10. — New experiments in it, p. 84. — Electrical 
horfe-race, p. 89.— Further experiments, p. 43 ^* 
Eliot , Mr. his letter on the Virginian fand iron, p. 56. 
Ellis , John, Efq; his account of the Sea-pen, or Penna- 
tula Phofphorea of Linnaeus, with obfervations on Sea- 
pens in general, p. 419. 
Emprejihotonus , account of this diforder, p.22,25. 
Engines, method of leflfening the quantity of friction in 
. them, p. 1 39. ■ ; ■ 
Equitata, the meaning of the word, in diftinction to 
eqtiefiris, p. 137. 
Ejfex, the fineft Saffron-flowers produced there, p. 1 89 — 
alfo the beft cortex fait gnus, ibid. 
Etrufcan inicriptions and paintings, p. 12 7. 
Events, mathematical problems concerning their degrees of 
probability, p. 376. # 
Experiments , 
