OF MURDERS AND MYSTERIES. To the Editor of "The Star." Again thanking your readers for their valuable assistance, Yours, etc. One would have imagined that nobody could take this seriously, for it is obvious that the mystery-story is just the one species of story that can not be told impromptu or altered at the last moment, seeing that it demands the most careful piecing together and the most elaborate dove-tailing. Nevertheless, if you cast your joke upon the waters, you shall find it no joke after many days. This is what I read in the Lyttelton Times, New Zealand: "The chain of circumstantial evidence seems fairly irrefragable. From all accounts, Mr. Zangwill himself was puzzled, after carefully forging every link, how to break it. The method ultimately adopted I consider more ingenious than convincing." After that I made up my mind never to joke again, but this good intention now helps to pave the beaten path