INDEX. 
Layer'd, M. D. (Peter Daniel ) of an Earthquake at Lon- 
don, March 8, 1749-50, n. 497. p. 621. 
Leiceferjhire, of an Earthquake there, Sept. 30, 1750, n. 
49 If p‘ 723. 
Lethieullier Efq; (Smart) of the Burning of the Steeple at 
Danbury , by Lightning 3 and of the Earthquake, 0.497, 
p. 611. 
Libel! a, or May Fly of Penfhania 3 Obf thereon, by Mr. 
John Bartram , n. 494, p. 323, 40 x. 
Life otpefeenuius Niger, with fome Circumftances in the 
Hiftory thereof 3 by Monk de Boze , n. 495. p. 452. 
Light of Rockets, at what Diftance it may be feen, n* 
495, p. 578. 
Lightning 3 its Effects in deftroying the Polarity of a Ma- 
riners Compafs, n. 49a, p. 111. 
• — burns the Steeple at Danbury in EJJex, n. 497, 
p. < 5 ll. 
Lithotomy on Women, the Operation of, by Dr. Is Cat , 
n. 492, p. 97. 
Locufs, of the Damage they did in Walachia , Moldavia, 
and Tranfilvanta , in 1747 and 17483. and in Hungary 
and Poland in 1748, 0. 491, p. 30.. 
Logarithmic Tangents analogous to the Meridian Line, 
n. 495, p. 559. 
London, of an Earthquake there, 8, 1749-50, 0.497, 
p. 601. 6 03. 605. 
Longitude of Kingfcn in Jamaica determined, n. 495, 
p. 523. 
Luminous Arch ZeE. i 5 , 1749. obf. by Dr. Cooper , 0.497, 
P- 547. 
Tear, Remarks upon, by the Earl of Macclesfield , 
»• 495 > E 4 l8 - 
Z.00^ Eclipfis, obf. in Par aquaria, Feb. 24, $ Aug. 19, 
J747, 0.491, p. 8. 
J tl h't 28, 1748, obf. Madriti , 0. 491, p. ro. 
Z//0^ ££ Martis Occultatio, Pekini, Dfr. 5 , 1747* 0. 493, 
p. 312. 
Lyttelton, LL. D. (Rev. Charles) of a non-defeript petri- 
fied Infefcd, 0. 49 <5, p. 598. 
3 M . Macclef- 
