Pupils AskedTo Join SaneHalloweenRapp Says Pranks May Damage MaterialsScarce in WarPRINCIPALS TO HELPDaily Broadcasts to Made to Parents and ChildrenBePointing out that some materials that may be damaged in Halloween pranks*' cannot be replaced In wartime, Chief of Police William £ Rapp has again appealed to school principals to help bring about a reasonable and construe* L‘ve observance of Halloween.Every effort la being made to lt;eep vandalism to a minimum thisi► car and the patriotism of young* iters is appealed to and that ofBoy Scouts A sked- To Set ExampleOn Halloween-ifsW-it-'**ERNEST M. BLANCHARDAn appeal to Boy Scduts to set jnn example for all youths of the