60 
24... PISIDIUM MILIUM, Held: gå 
Martini & Chemnitx, 2d edition. 
Dept. of Oise, France. 
Pisidium normandianum, Dupuy. France. 
CL 
tetragonum, Normand. Valenciennes. (Exauc- 
tore.) 
Baudonianum, de Cessac. Dept. of Creuse, 
France. (Ex auctore.) 
25... PISIDIUM HENSLOWIANUM, Jenyns. 
Baudon Pisid. 1857. 
Dept. of Oise, France. 
Pisidium acutum, Pfeiffer. (Germany. (Ex auctore.) 
&…… Jayanum, Gassies. Agen, France. (Ex auctore.) 
€ pallidum, e£ På 24 cf rs 
«…… Bonnafouxianum, de Cessac. Dept. of Creuse, 
France. (Ex auctore.) 
26. PISIDIUM CONICUM, Baudon. 
3audon Pisid. 1857. 
Dept. of Oise, France. 
