the Variation of the Compafs. 
23 
THE variation of the compafs in a voyage to, in, and 
from, the Ealt Indies, in the years 1721, 22, 23, and 
part of 24, from the 111 and Madeira, on board the Lyon, 
thomas mathews, Efq. Commodore. Likewife the va- 
riation to Guinea, from the Ille of Mayo to Cape de 
Verd, along the Coalt to Widah, Illand St. Thomas, 
Cape Lopez; back again to the Coalt of Guinea; then 
to the Illand St. Thomas; from thence to Barbados, St. 
Chrillophers, Jamaica, Porto Bello, along the Coalt to 
Cartagena; then to Jamaica through the Gulph of 
Florrida, as far as 35 0 1 5' North, and Welt longitude from 
London 6 1 0 5 6 ' ; back again to Antegoa ; from thence to 
England, in the years 1725, 26, and part of 2 7 , on board 
the Kinfale, Richard girlington, Efq. Commander. 
Some more to the Welt Indies, on board the Lark, john 
gray, Efq. Commander, in the years 1727 and 172^ 
More from England to the Mediterranean, as far as Leg- 
horn, on board the Dreadnought, Alexander geddes, 
Efq. Commander, in the years 1730 and 31. More in 
the Mediterranean, as far as Tripoly in Barbary, on board 
the Hedtor, the hon. Sir Roger butler, Commander in 
the years 1733 ? 34? and 35? 
' Note, the firlt column is the year and day of the 
month; the fecond and lixth, the variation; the third 
•and feventh, the number of obfervations ; the fourth, 
fifth, eighth, and ninth, the latitude and longitude at the 
time of obfervation. The longitude for the moll part 
reckoned 
