Irish Naturalist, Yoi.. XIX. 



Plate lo. 



On the North Cliffs, Tory Island, S. H. Douey, Photo. 



the best habitat for :\Iollusca. A. W. Stelfox collecting. 



To face p. i8i. 



Humeri of Great Auk {AIclx impennis). 

 from sandhills at Rosapenna. 



S. H. Douey, Photo. 



