INDEX. 
page 
Survey .trigonometrical, observations at Dunnose, to determine the 
zenith distance of several stars, - 445 
observations at Clifton, to determine the 
zenith distance of several stars, - - 452 
— observations at Arbury Hill, to determine 
the zenith distance of several stars, - - 459 
observations at the Royal Observatory, to 
determine the zenith distance of several stars, - - 464 
— reduction of the observations, to the 1st of 
January, 1802, - 470 
— — — amplitudes of the celestial arcs compre- 
hended by different stations, - - 482 
— difference between the parallels of latitude 
of Dunnose and Greenwich, - - 483 
zenith distances of y Draconis, at Blen- 
heim, reduced to the beginning of the year 1794, - 486 
— — — lengths of the degrees on the meridian, 
in the middle points of the several arcs, - - 487 
bearings of various places and objects, 
from the parallels to the meridian of Greenwich, - 494 
— latitudes and longitudes of various places 
and objects, referred to the meridian of Greenwich, - 505 
T 
Tannin , remarks on a method proposed for obtaining it, - 262 
Tanning i on the operation of astringent vegetables in, - 233 
Teas , on the infusions of them, - - - 268 
Telescopes , on the causes of their acting differently at different times, 217 
Terra japonica, experiments and observations on, - - 252 
Tin , its effects on gold, - 72, 93 
its effects on silver, - - 73 
Tongue , observations on its structure, - - 205 
• effects produced by its being bitten, - - 206 
case of fungous excrescence on it, - - . 207 
— case of tumour in it, - 209 
Trees , on the descent of the sap in them, - 277 
V 
Vegetables , astringent , experiments and observations on, 233 
Virginis y , on its motion, - - - 38 1 
