59 



20. PISIDIUM PUSILLUM, Jenyns. 



Baudon Pisid. 1857. 



a. France. 



b. Pisidiumfontinale, Pfeiffer. France. 



c. " " " Dept. of Oise, France. 



d. lf " " Savoy. 



e. " roseum, Scholtz. Silesia. (Ex auctore.) 



21. PISIDIUM OBTUSALE, Pfeiffer. 



Baudon Pisid. 1857. 



a. Dept. of Gers, France. 



b. Silesia. 



c. Pisidium minimum, Studer. Switzerland. 



22. PISIDIUM DUPLICATUM, Pfeiffer. 



Pfeiffer Syst. Anord. 1821. 

 Germany. (Ex auctore.) 



23. PISIDIUM NITIDUM, Jenyns. 



Baudon Pisid, 1857. 



a. Dept. of Oise, France. 



b. Agen, 



c. Pisidium incettum, Normand. Valenciennes. (Ex auctore.) 



