text:  Brown was to migrate from his own rooms in "Purgatory"--as we used to call the little dark back quadrangle where from sheer laziness which made him think moving a bore he had remained ever since his first location there as a freshman up three pair of stairs; so that when his intimate friends wished to ascertain if he was at home we used to throw a stone through the window--and was to take up his abode in "Elysium " where he would be Chesterton's next-door neighbour and in the same number as myself