INDEX. 
Layard, Daniel Peter, M. D. his difcourfe on the ufeful* 
nefs of inoculating the horned cattle, p. 528. 
Leprous peribns in the ifle of Guadaloupe, account of a 
vifitation of them, p. 38. 
Lejtwithiel , in Cornwall, effects of lightning upon the 
, church and fteeple there, p. 198. 
Lewis , William, M. E. his experimental examination of 
Platina, Paper V. and VI.' p. 148, 156. 
Lichen , memoir concerning it, p. 652. 
Light , fome experiments concerning its different refrangi- 
bility, p. 733. 
Lightning, its effects upon the church and fteeple of Left- 
withiel in Cornwall, p. 198. 
Limax non cochleata, obfervations on it, p. 585. 
Lime-water, its lithontriptic virtue, p. 386. 
Limpet-Fijh , found at Bermuda, account of it, p. 859. 
Linnaeus, his account of the faculty called Vigiliae Florum, 
with an enumeration of feveral plants fubjedt to that law, 
p. 50 6. . 
Lingfield , in Surry, account of an earthquake felt there, 
Jan. 24, 1 758, p. 614. 
Looe , effects of a ftorm of thunder and lightning there, 
June 27, 1756, p. 104. 
M 
Maps , Geographical, the beft form of them, p. 553. 
. and Charts, a fhort differtation on them, p. 563, 
Magnetifm , and Polarity, given to brafs, p. 774. 
Malverne waters, their good effedts, p. 23. 
Memoir, an hiftorical one on the genus of plants called 
Lichen, Ufnea, Coralloides, and Lichenoides, p. 65 2. 
Men , living, effay towards afcertaining their fpecific gra- 
vity, p. 30. _ 
Milles , Jeremiah, D. D. letters to him, with accounts of 
the effedls of thunder and lightning at Looe and Lan- 
reath, June 27, 1756, p. 104. 
his account of the Carlfbad mine- 
ral waters in Bohemia, p. 25, 
Miller 0 
