[ 3 2 5 ] 
phlogiflon, ibid. Experiments (hewing that manganefe, per ft , gives airs of different 
kinds, but chiefly fixed and dephlogiilicated airs, as foon as it is fubjedied to a confi- 
derable heat, p. 30 6. 
Eyes . Fifteen inches the diilance at which the generality of eyes fee with the moft 
diffindlnefs, p, 258. 
F. 
Fangs, venomous, in ferpents, merely offenfive weapons, p. 33. Situation of veno- 
mous fangs always in the anterior and exterior parts of the upper jaw, p, 34. 
Fr unification chiefly depends on rain falling at the latter end of the feafen of flowering, 
P« 39 - 
Gentoo Boy, an aflonifliing living fubjeft, having his brother adhering to his breaff, 
p 0 157, Portrait of, p. 159. 
Glafs , the perforation of, by the long eleflric fpark, or by the fpark through oil or 
cement, fuppofed to depend on the intenfity of the electricity, which has not time 
to diffufe itfelf, but charges a minute part of the furface yery high, p. 285. 
Globe , terreftrial and cceleftial, few inflruments that better fulfil their defign in general, 
p. 1. 
Gray , Edward Whitaker, on theclafs of animals called, by Linnaeus, Amphibia, and par- 
ticularly on the means of diflinguilhing thofe ferpents which are venomous from 
thofe which are not fo, p. 21. 
Ground \ account of a finking in of the, near Ketton in Rutland, p. 164. 
/ « 
H. 
Heavens , remarks on the conftrnftion of, p a 212. 
Herfchel , Dr. William, on a comet, p. 15 c# 
— — Catalogue of a fecond thoufand of new nebulse and cluflers of flars ; with 
introductory remarks on the confcru&ion of the heavens, p. 212. 
Hunter , John, 011 the identity of the fpecies of the Bog, Wolf, and Jackal, p, 160. 
Hutchinfon , Rev. Mr. B. on the drynefs of the year 1788, p, 37. 
facial . See Fetter, 
Iron , diffolved in concentrated acid of vitriol, produces vitriolic acid air; but being 
diffolved in diluted vitriolic acid, produces inflammable air, p. 15. The decompofi- 
tion of water, by means of Iron, a fallacy, p. 17. Iron imbibes nothing but water 
when it parts with its phlogiflon, ibid. 
Vol. LXXIX. 
A a a 
Kite 
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