[ 9' ] 
pearance above the horizon, with any 
degree of certainty. The time of their 
obferving the fun to begin his courfe round 
the horizon was more exadl ; this, they 
faid, was on the feaft of St. Athanafius, 
which is the fecond day of May, old 
ftyle; from that day they had fcen it 
perform the circuit during ten or eleven 
weeks, which (fuppoiing the latter to be 
the true time, as is moil: probable from the 
fituation of the ifland) would be to the 
fifteenth of July. They added, that the fun 
then rofe and fet every four and twenty 
hours, till the feflival of St. Demetrius- 
that is, till the twenty-fixth of October, 
old ftyle, when it totally difappeared. 
This account however of our failors is, 
I fufpc6t, not exa6l ; for if we fuppofe the 
iiland on which they were, to be in lati- 
tude feventy-feven and a half decrees, 
as laid down in the map above-mentioned, 
the fun mufl make its firft appearance on 
the horizon on the fourth of February; it 
ought to be fecn performing its circuit 
N 2 from 
