INDEX. 
Lecture , Baherian , _ 
Light , on its reflexibility, 
— - on the chemical properties attributed to it. 
Liquor amnii , extraordinary quantity of. 
page 
i 
449 
364 
M 
Macdonald, John, Esq. Observations of the diurnal variation 
of the magnetic needle, in the island of St. Helena; with a con- 
tinuation of the observations at Fort Marlborough, in the 
island of Sumatra, - 
Manuscripts , Sanscrita , catalogue of, 
Mars , perturbations of, \ method of obtaining swiftly converging 
series, useful in computing them, - - - 5 2 7 
Measure , endeavours to ascertain a standard of, - - 133 
account of several standards of, - - 167, 1 77 
comparison of various standards of, - - 182 
Mere of Diss , its effect upon various substances immersed in it, 568, 578 
* analysis of its water, - - 572 
Metacentre , remarks on the point so called, - - 240 
Michell , The Rev. John. Method contrived by him, of determining 
the density of the earth, - - 469 
Money, on the depreciation of it, - - _ 175 
Motion , remarks on, as supposed to constitute heat, - 99 
N 
Necessaries of life , on the prices of them at different periods, 175 
Needle , magnetic , diurnal variation of, in the islands of St. Helena 
and Sumatra, - 397 
Newton. Remarks on his opinion respecting light, - 311 
O 
Optical remarks, chiefly on the reflexibility of light, - 311 
Oxide , animal , experiments on, - - - 29 
ouric or uric, application of that name, - -37 
of gold, experiments on its reduction, - 450,462 
of silver , experiments on its reduction, ~ 460, 465 
P 
Parabola , remarks on different ones, 
Pearson, George, M.D. Experiments and observations, tending 
to shew the composition and properties of urinary concretions, 
4 H 2 
