My sister's face was white and afraid, and she was crying.'help her, but we could do nothing. And so my dear,dear sister died.''Are you sure about the whistle and the sound offalling metal?' asked Holmes.'I think so,' answered Helen. 'But it was a very wild,stormy night. Perhaps I made a mistake. The policecouldn't understand why my sister died. Her door waslocked and nobody could get into her room. Theydidn't find any poison in her body. And what was "thespeckled band"? Gipsies wear something like thatround their necks. I think she died because she was soafraid, but I don't know what she was afraid of.Perhaps it was the gipsies. What do you think,Mr Holmes?'