INDEX. 
page 
Herschell, Wm. LL.D. His observations of a second 
comet, with remarks on its construction, - - 229 
Home, Everard, Esq. His account of some peculiarities in 
the structure of the organ ofhearing in the Balsena Mysti- 
cetus of Linn^us, - - - 83 
— — — His observations intended to shew 
that the progressive motion of snakes is partly performed 
by means of the ribs, - - - 163 
On the different structures and si- 
tuations of the solvent glands in the digestive organs of 
birds, according to the nature of their food and particular 
modes of life, - 394 
Hunter, Mr. His description of th zmembrana tympani of 
the piked whale, quoted, - 85 
I. 
Iron, on its combinations with chlorine, - - 1 8 1 
— spar , on its primitive crystal, - - - 16 1 
Ivory, James, Esq,. On the grounds of the method which 
M. Laplace has given in the second chapter of the third 
book of his 6< Mecanique Celeste,” for computing the 
attractions of spheroids of every description - - 1 
■ His appendix to the preceding paper, 
containing a short account of a memoir of M. Lagrange’s, 
with observations on the same, - - 34 
On the attractions of an extensive class 
of spheroids, - 46 
K 
Knight, Thomas, Esq. Of the attractions of such solids as 
are terminated by planes ; and of solids of greatest at- 
traction, - » - - -.-247 
— • Of the penetration of a hemisphere 
by an indefinite number of equal and similar cylinders, 310 
Knight, Thomas Andrew, Esq. On the motions of the 
tendrils of plants, - » - - 314 
L 
Lagrange, M. A short account of his memoir, entitled 
“ Eclaircissement d’une Difficulty singuliere qui se ren- 
contre dans le Calcul de 1’ Attraction des Spheroides tres 
peu dilferens de la Sphere,” with observations on the same, 34 
