98 



SEVENTH REPORT. 



PLATE IV. 



OF CANADA 



ILLINOIS ! 



C H I C A C 



Reported distribution in Michigan of: 



Polygyra palliata (Say.) O 



Polygyra fraudulenta Pils • 



Polygyra tridentata (Say.) ▲ 



Polygyra inflecta (Say.) ■ 



