340 Rev. Canon Norman's Revision 



Fam. 9. OtinidaB. 

 Genus Otina, Gray. 



260. Otina otis, Turton. 



Var. Candida^ Jeffreys. 



The variety from Sark {Dr. Lukis, Mus. Norm.) . 



Suborder III. HYGROPHILA. 



Fam. 10. Limnaeidae. 



Genus 1. Ancylus, Geoffroy. 



261. AncT/lus Jluviatilis, Miill. 



Var. capuloides (Jan), Porro. 

 Var. gihhosuSj Bourg. 



262. Ancylus lacustris (Linn.). 



Genus 2. Limn-^ea, Lamarck. 



263. Limncea stagnalis (Linn.). 



264. Limncea 2)alustris (Miill.) . 



265. Limncea truncatula (Miill.). 



266. Limncea glahra (Miill.). 



267. Limncea auricularia (Linn.). 



268. Limncea peregra (Miill.). 



Genus 3. Amphipeplea, Nilsson. 



269. Amphipeplea glutinosa (Miill.). 



This has been added to the Irish fauna by Mr. C. Ashford, 

 who has found it in the Newry Canal, near Knocbridge, Co. 

 Down, and the River Brusna, King's County (Journ. Conch, 

 ii. p. 6). 



270. Amphipeplea involuta, Thompson. 



Genus 4. Planoebis, Guettard. 



271. Planorhis corneus (Linn.). 



272. Planorhis contortus (Linn.). 



273. Planorhis carinatuSj Miill. 



