24 Proceedings of the Royal Physical Society. 



Several dead specimens off the north-east 

 coast of Holy Isle, 25 fathoms, nuUipore 

 bottom. 



Craniid^, 

 Crania anomala (Miiller). 



Frequent along the south-west side of 

 Holy Isle, especially off " The Dutchman's 

 Eock," in 10 to 20 fathoms ; bottom, stones 

 and dead shells. Also off the south end of 

 Holy Isle, 10 to 15 fathoms; nullipore 

 bottom. 



Dead valves occasionally on the Lima's 

 "nests" off the north-east end of Holy 

 Isle, 20 to 25 fathoms. 



LAMELLIBEANCHIATA. 



Pectinid^. 



Pecten pusio (Penn.). 



Off the Lighthouse, Holy Isle, 15 fathoms. 

 P. septemradiatus (Miiller). 



Dead valves, east and south-east of Holy 



Isle, in 25 to 30 fathoms. 

 P. striatus (Muller). 



Dead. 

 Nests of Lima hians are abundant, not only at the north 

 entrance to the bay, but also off the north-east corner of Holy 

 Isle, off the south-east corner, and off the Lighthouse at the 

 south entrance ; also in front of Whiting Bay. 



MVTlLIDiE. 



Modiolaria marmorata (Forb.). 



Off King's Cross Point, 5 fathoms. 



Arcid^. 

 Pectunculus glycimeris (Linn,). 



Off Lighthouse, Holy Isle, 10 fathoms. 

 Dead valves ; bottom nullipore and dead 

 shells. 



