midnight
`` Whew ! '' whistled the visitor . -LSB- Illustration -RSB- Hate A day or two after Christmas , O'Dwyer , a lonely sentinel on his midnight beat , strode with measured step , alert , on duty . Outside the town , Robert Burroughs skulked toward the lodge , while Me-Casto followed covertly . An hour afterward O'Dwyer heard moccasined feet approaching the stockade gate . Challenging quickly , his `` Halt , who goes there ? ''