Michii^an Geological and 

 Biological Survev. 



Publication 10 ; Biology 

 Plate XIV. 



A. POND SOUTH OF CASSOPOLIS. HABITAT OF RANA PIPIEXS. 







..■■ I- .v. 





B. SHORE OF CHARITY ISLAND. SAGINAW BAY. HABITAT OF AMBY- 

 tSTOMA JEFFEh'SONIAKUM. 



