Siren
FIG. 1 is a top plan view of a siren showing my new design. 
     FIG. 2 is a front elevational view thereof; 
     FIG. 3 is a left side elevational view thereof; 
     FIG. 4 is a right side elevational view thereof; and 
     FIG. 5 is a bottom plan view thereof; 
     The front elevational view and the rear elevational view (now shown) are identical.