text:  What should this mean? Wild fears even superstitious ones of some indefinite ill or horror impending began to shake her forced fortitude as she stood half-fearing to ring again--again to hear the melancholy voice of the dog as of one lost--to wait--listen--and dream of--David--death--murder--or even worse till even the giant horror--the jail!--and the white-headed prisoner shrank before the present ominous mystery--ominous of she _knew_ not what therefore involving every thing dreadful