The full purchase money shall be Two Thousand Five Hundred pounds, £2,500. One Thousand pounds of the said money has been paid this day into our hands by Mr. McLean, that is on the fifteenth day of May One Thousand Eight hundred and forty nine. Five hundred pounds counting singly shall be paid to us on the fifteenth day of May One thousand eight hundred and fifty. Five hundred pounds shall be paid on the fifteenth day of May One Thousand eight hundred and fifty one. The last payment or instalment of Five Hundred pounds shall be paid to us on the