XLIII. ANOTHER RESPITE. XLIV. THE SECRET OF THE WHEEL. XLV. I MAKE A DESCENT. XLVI. CAUGHT. XLVII. SOME ONE COMES AND GOES. XLVIII. A FRUITLESS SEARCH. XLIX. A QUIET WARNING. L. STRICKEN DOWN. LI. A MEETING ON THE BRIDGE. LII. A WRITTEN WORD. LIII. AN ATTEMPT AND A FAILURE. LIV. A LAST CONFESSION. LV. A SHADOW FROM THE PAST. LVI. ALONE. LVII. A PROMISE. LVIII. THE “SPECTER HOUND.” LIX. INTO THE DEPTHS. LX. WHO KILLED MODRED? THE MILL OF SILENCE. Yesterday came a knock at the door—a faint, tentative knock as from childish knuckles—and I went to see who it was. A queer little figure stood outside in the twilight—a dainty compendium of skirt and cape and frothy white frills—and a small elfish face looked up into mine through shimmering of hair, like love in a mist.