162 Proceedings of the Royal Irish Acadetnij. 



DESCEIPTION OF PLATE VII. 



Figures 1-20 are magnified 1-05 diameters; nos. 21-26 are x 1-25; nos. 27, 28 x 1.4; 

 1103. 29-32 X 1-5 ; nos. 33-50 x 1-06 ; nos. .51, 52 x 1-5 ; and nos. 53-56 are x 1-4 diameters. 



Fig. 



1. Limnaea pcrcger, . Lough Eea, S.E. G-alway. E.A.Phillips. July 1909. 



2. „ „ . Arlands Lough, Keadew, West Donegal. A. W. S. 



Sept. 1908. 



3. „ „ . Dredged at a depth of 120-160 feet in Lough Mask, 



East Mayo. W. F. de V. Kane. July 1909. 



4. „ „ . From a shallow peaty pool on Inishmeane, off the 



coast of West Donegal. A. W. S. Sept. 1908. 



5. „ „ . Eiver Barrow, King's Co. A. W. S. Sept. 1906. 



6. „ „ . From a limestone quarry near Carlingford, Louth. 



A. W. S. Feb. 1906. 



7. Limnaea 2y)'aetenuis, Lough ISTagarriva (alt. 1,200 feet), West Cork. 



A.W. S. July 1907. 



8. Zininaea sp., . Lough Nakeeroge (alt. 28 feet), Achill Island, West 



Mayo. A.W.S. March 1910. 



9. Limnaea involufa, . Lough Ciincaum (alt. 900 feet), near Killarney,. 



North Kerry. A. W. S. July 1907. 



10. Limnaea iwreyer, . From a braclvish marsh near Drogheda, Meath. 



A.W.S. May 1909. 



11. „ „ . Lough Carrowmore, West Mayo. A.W.S. March 



1910. 



12. Limnaea percgris, . Sraheens Lough, Achill Island, West Mayo. A. W. S. 



April 1909. 



13. „ „ . Lough Neagh, Criunlm, Antrun. A.W.S. Dec. 1909. 



14. „ „ . New Eoss, Wexford. E. A. Phillips. 



15. Limnaea a^tricularia, Arlands Lough, Keadew, West Donegal. A. W. S. 



Sept. 1908. 



16. „ „ . Carnboy Lough, Carrickfin peninsula, West 



Donegal. A. W. S. Sept. 1905. (Young.) 



17. „ „ . Camboy Lough, Carrickfin peninsula, AVest 



Donegal. A.W.S. Sept. 1905. (Full-grown.) 



18. „ „ . Warrenpoint Eeservoir, Down. A. W. S. 



19. „ „ . Lough of Cork, Mid Cork. E. A. Phillips. 



20. „ „ . Pond in Belvoir Park, Belfast, Down. A. W. S. 



May 1898. 



