INDEX. 
Earthquakes fhappen ufually in the Spring and Autumn, 
ft. 4 97, p. 6 24, 6 2j. 
. the Caufes of, by Mr. Stukely , /A 641— 
<546. 657. and by Dr. Steph. Hales , ib* 669. 
. at Smyrna , by Dr. Mackenzie , ft. 45)7, p. 700. 
■- — — the Philofophy of, by Dr. JEw. Stukely , ;£/</, 
f. 73 ^^c. 
Eafler, the Method of finding the Time of; by the Earl 
of Macclesfield , n. 495, p. 425. 
Ecbinites , two beautiful, by Mr. Enian . /fc Cojla, ft. 492, 
143. 
Eclipfe of the A/ooft, Dec. 12, 1749. obf. at Mr, Graham's 
in Fleet 'Jlreet, by Bevis , M. D. and Mr. James 
Short , «. 493, f. 247. — at Erith in Huntingdonjhire , by 
Mr. JEot. Eljlob jun. iA p. 28c.— at Rome , by Mr. 
Chrijloph. Maire , ft. 474, /?. 322. 
- total of the .Moft, £)«•. 2. 1750. obf. by Dr. Mr 
and Mr. James Short , ft. 496, p. 575. 
— - of the Jan. 8, 1750. obf. at by Mr. 
Chrijloph. Maire , ft. 494, p. 322.-21 Berlin, by Mr. 
Grifchow jun. and Mr. ifrer, /'£. 7>. 339. — in Surry- 
Jlreet in the Strand , by Mr .John Catlin , and Mr. y <?;;?. 
ft. 496, p. 523. 
Eclipfe s, obferved at Grand Cairo , ft. 492, />. 154. 
Eclip/is lunaris totalis Wittembergae, 19 Junii L750. obf 
per G. M. Bofe, ft. 495, p. 570. 
Effervefcence of Steel accounted for, by Dr./* C<#, ft. 492. 
/>. 155. 
Elettrical Phenomena examined, by Abbe Nolle t, n. 494, 
p. 370. 
Electricity cannot make Odours pafs through Glafs, ft. 
494s A 34 9* 
Ellicctt (Mr. John) of Experiments made about the Af- 
cent of Rockets, ft. 496, p. 578. 
of an Earthquake at Portfmouth , March 18, 1749- 
50. ft. 497, />. 646. 
Eljlob jun. Obf. of a Lunar Eclipfe at Erith in Hunting - 
donjhire-) Dec. 12, 1749, n. 493, p. 280. 
5 E Eltham 
