t 447 J 
when not ele&rified, contains its proper lhare of eleftric fluid, ivhich is proportionate 
to its bulk, or to fome other of its properties ; and that this equal or proportionate 
diftribution of ele&ric fluid takes place with the greateft part of narura bodies. This, 
however, is not the cafe ; for every fubftance is always electrified, p. 17. 
Forces , centripetal, p. 67. , 
Fordycc , George, M. D. on mufcular motion, p. 23. 
Franklin , Dr. an obfervation of his concerning the electric fluid in glafs, p. 1 21. Proved 
erroneous, p.122. 
G. 
Georgian Planet. See Planet , 
Glauber's Salt y its effect in lowering the freezing point of water, p. 290. 
Gray, Edward Whitaker, M. D. on the manner in which glafs i3 charged with the elec~ 
trie fluid, and difeharged, p. 121. 
H. 
Usher Jen, William, M. D. a table of the mean heat of ever)* month for ten years in Lon- 
don, from 1763 to 1772 incluflvely, p. 66. See Tallies. 
Httlge-fparroiVy the n eft of a, chofen by a cuckoo to lay her egg in, p. 223. An inftance 
of two cuckoos and a hedge-fparrow being hatched in the lame nett, p. 229. 
Herfcbcly William, LL.D. on the Georgian Planet and its fateliites, p. 364. 
Hunter , John, M. D. on the heat of wells and fprings in the ifland of Jamaica, and on 
the temperature of the earth, p. 33. See Obfer-vations . 
IT 
Jceoi folutions of nitre, very different from common ice, p. 283. 
Jenner, Edward, Efq. on the natural hiftory of the cuckoo, p. 219. 
1 ujlrumenty description of a new electrical, capable of coilefting together a diffufed or 
little condenfed quantity of eleiftricity, p. 255. Defcription of an inftruraent which, 
by the turning of a winch, produces the two ffates of electricity without friction or 
communication with the earth, p. 403. 
InJrumentSy muficaly of the temperament of, p. 238. See Mujlcal I*Jlrumer.ts» 
Irony native, found in South-America, p. 37, 183. 
K. 
Keiry James, Efq. letter to Jofeph Prieftley, LL.D. p. 323. See Letter. 
K'mgjlon , in Jamaica, fupplied with water from wells, p, 38. The temperature of the 
air at Kingffon admits bat of fmall variation, p. 59, 
r Letter 
