6o 



24. PISIDIUM MILIUM, Held. 



Martini & Chemnitx, 2d edition. 



a. Dept. of Oise, France. 



b. Pisidium notmandianum, Dupuy. France. 



c. " tetragonum, Normand. Valenciennes. (Exauc- 



tore.) 



d. ". Baudonianum, de Cessac. Dept. of Creuse, 



France. (Ex auctore.) 



25. PISIDIUM HENSLOWIAN'UM, Jenyns. 



Baudon Pisid. 1857. 



a. Dept. of Oise, France. 



b. Pisidium acutum, Pfeiffer. Germany. (Ex auctore.) 



c. " Jayanum, Gassies. Agen, France. (Ex auctore.) 



e. " pallidum, 



f. Bonnafouxianunit de Cessac. Dept. of Creuse, 



France. (Ex auctore.) 



26. PISIDIUM CONICUM, Baudon. 



Baudon Pisid. 1857. 

 Dept. of Oise, France. 



