2. 



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23 62 Proceedings of the Royal Irish Academy. 



DESCRIPTION OF PLATE II. 



Figures 40, 41, and 42 are magnified 1-5 diameters; 46, 47, 48, and 49 are 

 x 32 ; all other figures are natural size. 



Limnaea pereger (Mull.). 

 Fig. 

 1. Clabe Island. From a road-side drain near the Abbey. A. W. S., April, 



1909. 

 In one of the pools forming Lough-na-phuca. A. W. S., 



April, 1909. 

 In one of the pools forming Lough-na-phuca. A. W. S., 



April, 1909. 

 In shallow lakelet near harbour. A. W. S., July, 1911. 

 Creggan Lough. A. W. S., April, 1999. 

 Lough Merrignagh. A. W. S., April, 1909. 

 From Light-house Pool (shallow peaty water). A. W. S., 



April, 1909. 

 8. Achill Island. Lough Nakeeroge East (very peaty water). A. W. S., 



March, 1910. (L. ? praetenuis Bowell.) 

 In flood debris from Keel Lough. A. W. S., September, 1909. 

 In the stream flowing from Keel Lough. A. W. S., July, 



1911. 

 Keel Lough. A. W. S., March, 1910. 

 Lough Gall. A. W. S., July, 1911. 

 Lough Doo. A. W. S., July, 1911. 

 Shallow pools near Lough Doo (water very limy). A. W. S., 



July, 1911. 

 . Lough Coolacknick (shallow and peaty water). A. W. S., 



July, 1911. 

 In stream flowing from the well at Garranty. A. W. S., 



July, 1911. 

 Lough Xamucka (shallow water and possibly brackish). 



A. W. S., July, 1911. 

 . Lough Gowlanagower (only just dead). A. W. S., 26th 



July, 1911. 

 Church Lough. A. W. S., July, 1911. 

 Lough Fawna. A. W. S., July, 1911. 



21. Cahek Island. Kinkeel Lough (water distinctly saline at times). A. W. S., 



July, 1911. 



22. do. From shallow pools near the summit of the island (water not 



more than three inches in depth). A. VV. S., July, 1911. 



9. 



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12. 



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13. 



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14. 



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15. 



Inishtubk. 



16. 



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17. 



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18. 



Inishbofix 



19. 



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20. 



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