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— R. Ll.P. 
Aplysia punctata, Cuvier. 
Living, rather scarce, in 8 or 10 fathoms, off Bangor and Groomsport, 
and in Castle Chichester Bay ’’—Hyndman (sub A. hybrida). A. nexa of 
Thompson is the young of this species. 
Pleurobranclms membranaceus, Montagu. 
“ Living, scarce, off Groomsport, in 6 or 8 fathoms, and in other places 
Hyndman. 
