INDEX. 
Earthquakes , thofe of fmall extent generally happen among 
the mountains — — — Page6i8 
— , , thofe in hilly countries more violent than thofe 
which happen elfewhere — 619 
• , thofe which have happened in the neighbour- 
hood of Quito, incomparably more violent than thofe 
which deflroyed Lifbon — — - - 620 
• very frequent in Berrngs ifland — 493 
Eclipfe of the moon , account of one Nov. 22, 1760 — 936 
Edwards (Mr. George) his account of the frog-filh of Su- 
rinam — — 653 
his account of a bird, fuppofed to be 
8 33 
8 3 
308 
35 9 
3 9 ° 
1 79 
fub- 
340 
34 8 
380 
bred between a turkey and pheafant 
Eleffrical experiments and obfervations 
• — experiments on the tourmalin — 
■ Cohefion , concerning it — - — 
• , concerning the force of it — 
Electricity , a paralytic patient cured thereby — 
- - - — of the human body, and of the animal 
fiances filk and wool — — — 
of black and white filk — — 
, two difiindl powers therein — 
37 1 ; 
, new experiments therein, 308, 348, 514, 896 
-, a letter concerning it — 907 
Ellis {John) Efq; his account of experiments relating to 
the prefervation of feeds 20 6 
} method of making Sal Ammoniac in 
Egypt, by him — — — 504 
— his account of the plants Halefia and 
Gardenia — — — — 929 
Empyema , remarkable cafe of one — — 194 
Encaujtic painting of the ancients , experiments concern- 
ing it — — — — 40 
Engines , the greatefl effedt of thofe with uniformly accele- 
rated motions confidered — — — 1 
Enquiry (experimental) concerning the natural powers of 
water and wind to turn mills and other machines de- 
pending on a circular motion — — 100 
Enquiry 
