270 RICCIACE^^ANTEOCEROTACE^. 



PRSZSSZA Corda. 



1. P. comxnutata Nees. 



Damp rocks— rare? 

 Down — Cregagh Glen ; S.A.S. 

 Antrim — Sallagh Braes ; Moore^ op. cit. Carr's Glen ; S.A.S. 



TARGZOITZA Micheli. 



1. T. hypophylla Linn. 

 Dry rocks — rare. 



Antrim — Cave Hill ; Templeton. Basalt rocks in the Deerpark at Glen- 

 arm ; Moore, op. cit. 



SERIES II. Order XXYII. RZCCZACSJE. 



RZCCZA Micheli. 



1. R. flultans Linn. 

 Floating in still water — not common. 

 Down — Ditches near Lough Neagh at the entrance of the Lagan canal 

 Moore, op, cit. Several places in the Newry canal ; S.A.S. 



SERIES II. Order XXVIII. ANTHOCBROTACEJE. 



AITTHOCEROS Micheli. 



1. A. punctatus Linn. 



By streams, and ditch banks — very rare. 

 Antrim — Bottom of a ditch bank, shaded with grass, on the Stranmillis 



road; Templeton, 1803. Glendun ; Moore, op. cit. 

 Derry — Rare, only observed near Lignapeiste ; D.M. 



