INDEX. 
page 
Herschel, William, LL. D. Observations of the transit of 
Mercury over the disk of the sun ; to which is added, an inves- 
tigation of the causes which often prevent the proper action of 
mirrors, - - - - 214 
»— ■ ■■ Account of the changes that have 
happened, during the last twenty-five years, in the relative situa- 
tion of double stars; with an investigation of the cause to which 
they are owing, - - - 339 
Herculis £, on its motion, - - 378 
Home, Everard, Esq. Observations on the structure of the 
tongue ; illustrated by cases in which a portion of that organ has 
been removed by ligature, - 205 
Humours of tbs Eye , on their chemical nature, - - 195 
I 
Iron, its effects on gold, - - - 77)95 
native , account of a lump, said to have fallen in India, 200 
oxide of on a new species, - - 325, 335 
— — remarks on various kinds, - - 336 
J 
Jehangire , Emperor , extract from his memoirs, - - 202 
K 
Kirkpatrick, Colonel. Translation of an extract from the me- 
moirs of the Emperor Jehangire, - - 202 
Knight, Thomas Andrew, Esq. Account of some experiments 
on the descent of the sap in trees, - 277 
L 
Latitudes of various places and objects, referred to the meridian of 
^Greenwich, - - - 5.Q5 
Lead, its effects on gold, ... 69, g $ } 104 
Lecture , Baker ian, 1 
Leonis y, on its motion, - - - 366 
Lime, hard carbonate of on a new species, - - 325 
Longitudes of various places and objects, referred to the meridian 
of Greenwich, - 505 
3 X 2 
