[ "3 ] 
*' Having carefully examined all cir- 
(i cumfiances, I found that what ProfefTbr 
£C Gr isc how accounts a proof of the 
" juitncfs of the calculation of thefe fhip- 
" wrecked failors, namely, that they 
" computed two days later than thofe 
" who took them off Lhat defert ifland, 
" was certainly the very reverfe; for, if a 
" perfon in leap-year reckons the twenty- 
" ninth of February, he who knows 
" nothing of the leap-year reckons the 
" firil of March, and after two fuch years 
<c reckons the fecond of March ; confe- 
" quently, fuppoflng the failors to have 
iC omitted taking notice of the leap-years 
" 1744 and 1748, they would of courfe 
" have reckoned in 1749 the feventeenth 
" of AuguiT, whereas with their dcli- 
" vercrs it was only the fifteenth. Thus 
IC it is clear, that if they were acquainted 
" with the leap-years, they have been 
cc miitaken by two days; and if they 
iC were not acquainted with them, they 
" have been mistaken by four days ; 
(i which indeed might caiiiy happen in 
