of the North of Ireland. ioi 



Defrancia teres, Forbes. 



Fragments of this shell were dredged by Hyndman on the Turbot Bank. 

 Defrancia Zieufroyi, Michaud. 



Dead, but very fresh, in Turbot Bank sand, and a single broken example 

 in 40 fathoms off the Copelauds — Hyndman (Mangelia Leufroyi). 

 Defrancia linearis, Montagu. 



" Generally distributed " — Thompson (Pleurotoma linearis). Frequent on 

 the Turbot Bank— Hyndman ; rare in Strangford Lough and the channel 

 adjoining —Dickie ; in all instances dead (sub Mangelia linearis). 

 Defrancia reticulata, Eenier. 



" A single dead specimen of this rare and beautiful shell was found by Mr. 

 Jeffreys in dredging from the deep water north of the Maidens. New to the 

 Irish list. It is a southern form" — Hyndman, 1859 Beport (sub Mangelia 

 reticulata). As Mangelia scabra, it is recorded in Hyndman' s 1858 Beport 

 as found by Mr. Jeffreys in Turbot Bank sand. 

 Defrancia purpurea, Montagu. 



" Of general occurrence " — Thompson (Pleurotoma purpurea). " Rare, in 

 shell sand" — Hyndman (Mangelia, purpurea). Very rare, in 12-25 fathoms 

 off the entrance to Strangford Lough— Dickie. Bangor — Belf. Mus. Coll. 

 Shell sand on beach at Cultra — B.L1.P. 

 Pleurotoma striolata, (Scacchi) Philippi. 



Turbot Bank sand — Hyndman (Mangelia striolata). 

 Pleurotoma attenuata, Montagu. 



"General, but not abundant" — Thompson. "Dead, Turbot Bank sand, 

 Mr. Waller" — Hyndman (Mangelia attenuata). Very rare, dead, in 18-23 

 fathoms 4 to 5 miles from Strangford Bar— Dickie. Bundoran — Belf. Mus. 

 Coll. 

 Pleurotoma costata, Donovan. 



Dead, rare, in 10 fathoms, and not unfrequent on the Turbot Bank — 

 Hyndman (Mangelia costata). Dickie di-edged dead shells off the entrance to 

 Strangford Lough, 12-15 fathoms. The variety coarctata, mentioned by 

 Hyndman as obtained near the Turbot Bank, is merely the northern and 

 larger form of the species. 

 Pleurotoma brachystoma, Philippi. 



" Co. Antrim (Waller) " — Jeffreys ; this is all the information we possess 

 about the occurrence of this shell in the district. 

 Pleurotoma nebula, Montagu. 



Dead, rare, in shell sand dredged on the Turbot Bank — Hyndman (Mangelia 

 nebula). 

 Pleurotoma septangularis, Montagu. 



"Generally distributed" — Thompson. Living, rare, in 10 fathoms in 

 Belfast Lough, and dead on the Turbot Bank — Hyndman ; and Dickie found 

 a few living examples in Castle Ward Bay, Strangford Lough, 7-20 fathoms 

 (both sub Mangelia septangularis). Bangor — Belf. Mus. Coll. 



