INDEX. 
613 
Sphinx ligustri, Linn., nerves of the head, in the larva of, 385. 
-nerves of the thorax, in the larva of, 387. 
-nerves of the abdomen, in the larva of, 388. 
T. 
Terrestrial magneto-electric induction, 163. 
Tides, on the, 51. 
Tides in the Port of London, note on, 595. 
Torpedo, experiments and observations on, 959. 
—--experiments on the electricity of, 960. 
- on the electrical organs of, &c., 265. 
Torpor, from cold, distinct from true hybernation, 353. 
Trachea, its functions as an organ of the human voice, 300. 
V. 
Vacuum apparatus , confined space of, 469. 
Voice (human), on the organs of, 999. 
Volcano, account of a new one in the Mediterranean, 937. 
-further notice of, 951. 
Voltaic electricity and electro-magnetism, experimental researches in, 979. 
W. 
Water and mercurial barometers, registers of the temperature and height of, 551, 553. 
TV ater-Barometer erected in the hall of the Royal Society, on the, 539. 
■-curious action of the column of water in windy weather, 573. 
4 K 
MDCCCXXXII. 
