of the North of Ireland. 105 



6-8 fathoms off Bangor"— Mr. S. A. Stewart. Of large size on the Holy- 

 wood Banks— Mr. Swanston. Dead shells on Magilligan strand— B,. LI. P. 

 Aplysia punctata, Cuvier. 



" Living, rather scarce, in 8 or 10 fathoms, off Bangor and Groomsport, 

 and in Castle Chichester Bay" — Hyndman (sub A. hybridci). A. nexa of 

 Thompson is the young of this species. 

 Pleurobranchus memTbranaceus, Montagu. 



" Living, scarce, off Groomsport, in 6 or 8 fathoms, and in other places " — 

 Hyndman. 



