PI.ATES AND II.LUSTRATIONS. 



File-Fish (Balistes caprisciis), Coiirt- 



macsherry, Co. Cork, 

 Edward Perceval Wright, 

 Galleries of Hylesiniis crenatus in old 



ash trunk. 

 Structural details of Irish Spiders, 

 West Town, Tory Island, 

 Lough Salt and Lough Salt Mountain, 

 Contorted Quartzites, Muslac Cliffs, 



Rosapenna, 

 Melmore Mountain and Kitchen 



Middens, 

 Murder Hole Bay and Pink Cliffs from 



Rough Island, Rossgull, . . 

 Horn Head Cliffs from the Sea, 

 North Cliffs, Tory Island, 

 The Tors, Tory Island, 

 Humeri of Great Auk, Rosapenna, 

 North Cliffs, Tory Island, 

 Doe Castle, Sheep Haven, 

 Roche moutonnee at Melmore Head, 

 Tau Cross, Tory Island, 

 Old lint-wheel or flax bruiser, Mulroy 



Bay, 

 Ramparts of Dun Balor, Tory Island, 

 Kistvaen, Rosapenna Kitchen Middens, 

 Old land-shell deposit in bottom of a 



dune valley, Rosapenna, , . 

 Samuel Alexander Stewart, 

 Hyalinia cellaria and H. helvetica. 



To face page 29 

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89 



