380 HISTORY OF BRITISH ZOOPHYTES. 
Genus XXXTIT. FREDERICELLA, P. Gervais. 
1. FrepericeLta Surrana, Prof. John Meming. 
Hab. Lochmill Loch, Fife, Dr. Fleming; Berwickshire, 
Sir John G. Dalyell; near Penzance, Mr. Ralfs; Bandon, 
Dublin, Prof. Allman. 
2, FREDERICELLA DILATATA. 
Hab. Fresh-water, near Dublin, Prof. Allman. 
Genus XXXIV, PALUDICELLA, Gervais. 
1, PatupiceLna articuLata, VW. Thompson. 
Hab. Lough Erne, W. Thompson; Grand Canal, near 
Dublin, A. J. Allman. 
Genus XXXV. PLUMATELLA, Bose. 
1. PLUMATELLA EMARGINATA. 
Hab. Fresh-water, Dublin, Prof. Allman. 
2, PLUMATELLA FRUTICOSA. 
Hab. Fresh-water, Dublin, Prof. Allman. 
3. PLUMATELLA REPENS, Prof. John Hleming. 
Hab. On the under side of stones, Lochmill Loch, Fife, 
Dr. Fleming; Norton, Durham, Mr. Hogg; Lough Erne, 
W. Thompson; near Glasgow, Dr. Scouler; Cheshunt, Mr. 
