

: : 























1 In the wood of the old tree stumps, not in the peat itself. Submerged timber structures in the Harbour are commonly attacked. Pholas 

 burrows in both wood and peat at Ardcost. * Dead shells only. 





























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: : : : 1 III 



: 1 1 1 1 



: : : : : : : : | : : : : : 



: : : : : ::::::::: 



Jfholas sp., 



Saxicava rugosa (Linn.), .... 

 Teredo navalis (?) 



Scaphopoda : 



Dentaliuni eniale, Linn., .... 



Polyplacophora : 



Chiton fascicular is, Linn., 



G-astropoda : 



Patella viilgata, Linn 



Helcion pellucidtim (Linn.), 

 Emarginula, sp., . 



Fissurella grccca (Linn.), .... 

 Trochus magus, Linn., .... 



T. zizypliinus, Linn., .... 



T. cinerarius, Linn., .... 

 Littorina obtusata (Linn.), 



L. littorea (Linn.), .... 



[ 775 J 



