INDEX. 
I page 
Inflammation , spontaneous , account of one, - 4 2 ^ 
Insect, observations on one which secretes a sort of wax, 3 83 
Jupiter , remarks on that planet, 3° 
Lac, -white, observations and experiments on a substance so called, 
„ — on its sensible and other properties, - 
experiments to discover its affinities and combinations, 
. experiments to decompound it by fire, . 
experiments upon the liquid contained in it. 
Lamps, on the quantities of oil consumed, and of light emitted by 
differently constructed ones, - 
Latitudes, of several places in Denmark, 
Lecture, Bakerian, - - 7 
Croonian, facts relative to the late Mr. John Hunter s 
preparation for it. 
Lever, on the fundamental property of, - 
Light, method of measuring the intensities of that emitted by lu- 
minous bodies^ 
upon the resistance of the air to it, - - — 
on the loss of it in its passage through glass, - 
„ on the loss of it in its reflection from a plane glass mirror, 
on the quantities of it emitted by lamps of different construc- 
tions, - - “ " 
on the quantities emitted by an Argand’s lamp, and by a 
common wax candle, - 
on die fluctuations of that emitted by candles, - 
on the quantities of different substances consumed in its pro- 
duction, - ~ “ 
_ appearance of, seen in the dark part of the moon, - 4 2 9 > 
Longitudes, of several places in Denmark, “ 
Luminous bodies f method of measuring the light emitted by them, 
M 
Maskelyne,*Nevil, D.D. Remarks on an appearance of light, 
like a star, seen lately in the dark part of ffie moon. 
Mirror, on the loss of light in its reflection from one, 
Moon* remarks on the mountains in it, - 
appearance of light, seen in the dark part of it, - 429, 
383 
3 8 5 
3 8 7 
39° 
393 
98 
43 
2 
21 
33 
67 
86 
9 2 
9 6 
9 8 
100 
100 
101 
435 
43 
67 
435 
9 6 
263 
435 
