The Detroit Journal offers a cash prlre of $500 to anyone who can oorrectly guess the three hotte9t days of tuis summer. The predictions must be malled to the Detroit Journal (one name and address wlth the three dates on each postal card) before June lat, and the award will be made October lst. A special article on the subject of these guesses will appear in every Saturday's Issue of the Detroit Journal iui Ing the suinmer. Prof. Wigglns, the fcimous Cniiadlaii weather prophet, has predieted July ! and 13 and August 2.