Table mountain , notice taken of a curious phenomenon on the 
summit of it, - 28Q 
Temperature of the sea, its diurnal change nearly as great as 
that of the incumbent atmosphere, - - 2 84 
is comparatively low where the water 
is shallow, - 286 
— is influenced by the effects of cur- 
rents, - 288 
Thermometer, the use of it at sea strongly recommended, 291 
Timber, upon the extent of its expansion and contraction in 
different directions relative to the position of the medulla 
of the tree, - 269 
Todd, John T. Esq,. An account of some experiments on 
the torpedo electricus, at la Rochelle, 32 
Torpedo electricus, an account of some experiments made on 
it at la Rochelle, - - 32 
V 
Vaigrage , son suppression, - * 99 
Vaisseaux , Anglais , de leur structure , consideree dans ses der- 
niers perfectionnements, - - 86 
Vaisseaux , ses forces latentes sont-elles augmenteespar le nou- 
veau systeme ? - 103 
Vermes, an account of the circulation of the blood in that 
class, - - - 1 
Vermes of Linnceus, may be divided into five distinct orders, 6 
Vision, natural, of its. extent, - - 313 
telescopic, of its extent, - - 3 1 8 
natural and telescopic, application of their extent to 
the probable arrangement of the celestial bodies in space, 320 
W 
Wollaston, Francis John Hyde, B. D. A description 
of a thermometrical barometer for measuring altitudes, 183 
From the Press of 
W. BULMER & Co. 
Cleveland-row, St. James's, 
London. 
