[ I0 75 j 
748 — 778. The attraction compared to that of the whole earth, p. 779. 781. Con- 
cerning the denfity of the matter in the hill, p. 781 —7 83. Remarks concerning the 
mean denfity of the earth, p. 783, 784. Hints for other experiments in this important 
inquiry, p. 784 — 788. 
Earthquake* An account of the earthquake which was felt at Mancheffer and other 
places in the year 1777, P* 221 — 227. -^ r * Stukeley’s account of the Hate of the at- 
mofphere and feafon preceding the earthquakes of 174 9, 1750, p. 228. State of the 
weather preceding this earthquake, p. 228 — 231. 
Earthquakes , very common in the ifland of Sumatra, p. 163. 
Earthworms, frozen, with a view to fee if they would be reffored to the adjons of life 
when thawed, p. 38. 
Eafl Indies, A meteorological diary, & c. kept at Fort St. George in the Eaft Indies, p. 
180. See Meteorological Diary* Journal of a voyage to the Eaff Indies in the year 
1775, p. 389 — 416. See Tables. 
Eclipfe* Obfervations on the folar eclipfe of June 24, 1778, p. 1013 — 1018. The fame 
obferved at Leicefter, p. 1019 — 1021. 
Edinburgh , the proportionable number of inhabitants that die there annually, p. 154. 
Eel , experiments on one relative to its heat, p. 27. Experiments on a living and dead 
one, to determine whether life had a power of refilling heat and cold, p. 28. 
Effluvia* Experiments upon air, and the effects of different kinds of effluvia upon it, 
made at York, p, 194. See Air. 
Eggs, experiments on fome, to determine how far they would ftand the tefi.3 of a living 
principle, p. 28, 29. To determine the comparative heat between a living and a dead 
egg; an< i whether a living egg be fnbjeCt to the fame laws with the more imperfeCT 
animal?, p. 29, 30. 
Eleflric fluid, the conffant laws obferved in the various motions of it, p. 1032—10360 
Remarks concerning it, p. 136, &c. Obfervations and experiments tending to con- 
firm Dr. Ingenhoufz’s theory of the eleCtrophorus ;■ and to fhevv the impermeability oft 
glafs to eleCtric fluid, p. 1049 — 10 S5* 
Eleflrical Exper'ments, an account of fome, p. Defcription of an apparatus to (hew 
the different effeCts of points and balls at the upper terminations of conductors, to fecure 
houfes, &c. from lightning, p. ipp, 156. In experiments with points for the upper 
terminations the cloud empties itfelf without the leaff explofion, p. 156, 157.- In ex- 
periments with balls at the upper terminations the clouds make explofions according ■ 
to the f:ze of the ball-, firing the magazines, p. 157. Remarks concerning the ufe of 
points at the upper ends of conductors, p. 157, 158, Further experiments ffiewing 
that points at the upper terminations of conductors prevent any damage to the build- 
ings on which they are placed, and that, balls do not anfwer the purpofe fo well, p ? 
*$► ns- 
EJcttriad , 
