lO 



The Irish Naturalist. 



January, 



Pupa angrllca, Fer — Plentiful, Powerscourt Waterfall; and v&x. pallida 



at Enniskerry and near Sugar-loaf Mountain. 

 P. cylindracea, Da Costa.— Very common at Greystones, Glen of the 



Downs, Powerscourt, Enniskerry, and Bray. 

 P. muscorum, Miill.— Taken on a wall close to Enniskerry; 



apparently rare. 



Vertigo edentula, Drap. — Not rare. Taken at Powerscourt Water- 

 fall and at Enniskerry. 



V. pygrmaea) Drap. — Rather rare. A few specimens taken at Bray. 



"V. substriata, Jeff. — Found at Powerscourt Waterfall. 



V. antivcrtigro, Drap.— Found at Powerscourt Waterfall, and also in 

 the demense. 



Clausilia bidentata, Strom.— Noted at Powerscourt Waterfall and at 



Enniskerry ; to be found in most suitable situations. 

 Succinea putris, L. — Common, Taken at Enniskerry, Powerscourt 



Demense, and at HoUybrook. 

 S. elegrans, Risso — Taken in Powerscourt Demense. 

 Carychium minimum, Miill. — Very common in marshy and damp 



situations ; taken at Glen of the Downs, Powerscourt Waterfall, near 



Sugar-loaf Mountain, and at Enniskerry. 

 LImnaea peregra, Mull.— At Enniskerry, and var. inflata fairly 



common. 



L. palustrls, Miill. — In Powerscourt Demense. Not common. 



L. truncatula, Miill. — In Powerscourt Demense. Rather rare. 



Physa fontinaliSy L Near Sugar-loaf Mountain and in Holly- 

 brook Lake. Not common 



Planorbis marginatus, Drap. — I took this in Hollybrook Lake, but 

 could not find it elsewhere. 



P. albus, Mull. —In Hollybrook Lake. Rare. Also near Devil's Glen, 

 in Ordnance Sheet 130. 



P. glaber, Jeff.— Near Sugar-loaf Mountain and in Hollybrook and 

 Powerscourt Lakes. It is very common in these lakes, and grows to 

 a larger size than I have seen it elsewhere. I took one scalariform 

 example. 



P. crista, L. — Fairly common in Hollybrook Lake, with var. crista. 

 P. fontanus, Lightf.— Rather plentiful in Powerscourt Lake. I did 



not take it in other localities. 

 Ancylus fluviatllis. Mull. — In river at Enniskerry. Rather common. 

 Acme lineata, Drap. — Common in damp shaded situations. Taken 



at Glen of the Downs, Powerscourt Demense, and along Bray road, 



near Enniskerry. 



Bythinia tentaculala, L. — In Holly broolc Lake. I did not find it 

 elsewhere, 



Sphserium corneum, L.— In Hollybrook Lake. I did not take it in 

 other places. 



S. lacustrc, L- — Found a few specimens in Powerscourt Lake. 

 Pisidlum nitldum, Jen.— Common in the Deerpark Lake, 

 Powerscourt. 



