6i 



27. PISIDIUM FERRCENSE, Morch. 



Cat. Suenson 1857. 

 Farroe Islands. (Ex auctore.) 



28. PISIDIUM SEPTENTRIONALE, Prime 

 Umea, Lapland. (Undescribed.) 



29. PISIDIUM NOV.-ZEALANDICUM, Prime. 



Ann. N. Y. Lyceum VIII. 

 New -Zealand. 



30. PISIDIUM CANARIENSE, Shuttleworth. 



Mittheil. naturf. Gesel. Bern 1852. 

 Canaries. (Ex auctore.) 



31. PISIDIUM BENSONI, Prime. 



Pisidium pavvulum, Benson. 

 India. (Ex auctore.) 



