four
o'clock
And it was that one which he laid uppermost ready to his hand , when he arranged them . `` At last she came . He heard of it at once . It was already past four o'clock , but he could not forbear , even then , to look toward the tower . It would be like her , after all , to wave then , that very night , just so as to catch him napping , he thought . She did not wave , however . The boy was sure of that , for he watched the tower till dark .