502 INDEX. 
Incrujiation , fingular fparry, found in SomcfrfetOrfifr, 
p. 241. Forming fucceffive laminae, p. 245. Might 
be applied to the purpofe of taking impreffions, 
' P- 2 47. 
Irony the danger of placing confiderabie quantities of it 
near chimneys, p. 23 r, &c. 
Ifmglafs, how prepared in Ruffia, p. 1, &c. Mi flakes of 
authors upon that fubjedt, p. 3, 4. Its analyfis, p. 5, 6. 
Made of the founds, or air-bladders of frcfh-water fifli, 
p. 7. In what manner, p. 9. 12, &c. D-ffeient forrs, 
p. 10. How ufed in fining, p. 13. Diflfolved in al- 
kaline liquors, is very proper in compohtions of plailler, 
lime, &c. ibid. 
Ivory , a fubftance proper to make a hygrometer, p. 410. 
More dilated with warm water, p. 457- 
Jupiter^ the planet, its appearances with that of the !a- 
rellites, reprefenttd by Mr. Wollafton, p. 75, &c. 
See Satellites. 
K. 
j King, Edward, Efq-, his commuhlcaticn of papers relating 
to fome fingular efFedts of lightning, p. 231. Obfer- 
vations on a fparry incruftation, p. 241. 
Kilkenny, a cave near it deferibed, p. 16. 
Kinnerjley , Mr. Ebenezer, on electrical experiments with 
charcoal, p. 38. 
Kirkjhaw, Rev. Samuel, his letter on a perfon killed in 
bed by lightning, p. 177, 178. 
KlSy or Kla, the name of ifinglafs in Siberia, p. 7. 
L. 
Lagopus, whether known to Arlftotle, p, 224. Whether 
torpid i t winter, p. 225. 
La 
