INDEX. 
page 
Iodine and oxygene , some experiments on a solid compound of 
them, and on its chemical agencies, - - 203 
K 
Knox, John, Esq. On some phenomena of colours exhibited 
by thin plates, - - - 1 6 1 
L 
Lamprey , its organs of respiration described, - 257 
Lamprey and myxine, on their mode of generation, - 265 
Lee, Mr. Stephen, on the dispersive power of the atmos- 
phere, and its effect on astronomical observations, - 375 
Leech , common , its respiratory organs described, - 259 
Le Gallois, M. remarks on some of his experiments con- 
tained in a treatise entitled, “ Experiences sur la principe 
de la Vie, &c.” - - - 87 
Light , experiments on its depolarisation as exhibited by 
various mineral, animal, and vegetable bodies, with a re- 
ference of the phenomena to the general principles of 
polarisation, - 29 
a list of substances chiefly of animal and vegetable 
origin, which have no effect in depolarising it, - 43 
theory of its depolarisation, - - 44 
on the laws which legulate its polarisation by reflec- 
tion from transparent bodies, - 125 
on the laws of its polarisation by reflection from the 
first surfaces of transparent bodies, - - 130 
on the laws of its polarisation by reflection from the 
second surfaces of transparent bodies, - - 134 
on the laws of its polarisation by reflection from the 
separating surfaces of different media, - 139 
— on the law of its polarisation by successive reflections, 142 
■ on the nature and origin of that, apparently unpo- 
larised, which exists at the maximum polarising angle, 152 
M 
Milne, Mr. his hypothesis respecting the ebbing and flow- 
ing stream discovered by boring in the harbour of Brid- 
lington, - - 57 
Mural circle , a table of observations made with it, compared 
with those of Dr. Bradley in the year 1756, 
3 N 2 
387 
