MOLLUSCA. 83 



Pleurotoma Trevelyma, Turton. Op. cit. iv. p. 398, 

 V. pi. 91. f. 8. 



Not uncommon in the stomachs of cod and haddock. 



Fam. 31. CypraeidsB, Fleming. 

 Genus 2. Cype^a, L. 



Cyp-cea europaa, Mont. Op. cit. iv. p. 403, pi. 7. f. 4, 

 V. pi. 92. f. 2. 



Not uncommon at extreme low water, under stones in 

 pools in the same region at the East Kocks, and generally in 

 the laminarian region. The living animal represented in Dr. 

 Gwyn Jefireys's work is from a coloured drawing by my sister. 



Order IV. Pleurobeanchiata, Gray. 



Fam. 1. BuUida, Clark. 



Genus 1. Cylichna, Lov^n. 



Cylichna cyUndraceaj Pennant. Op. cit. iv. p. 415, 

 V. pi. 93. f. 4. 



Abundant in deep water ; generally thrown on the West 

 Sands after storms. 



Genus 2. Uteiculus, Brown. 



Utriaihis truncatulus, Brugui^re. Op. cit. iv. p. 421, 

 V. pi. 94. f. 2. 



Occasionally from deep water, and in debris on sands. 



UtriculvLs obtusus, Mont. Op. cit. iv. p. 423, v. pi. 94. f. 3. 

 Not uncommon in deep water. A variety with a more ex- 

 tended spire is often met with in shell-debris from the West 

 Sands. 



Genus 4. AcT.a:oN, De Montfort. 

 Actceon tornatilis, L. Op. cit. iv. p. 433, v. pi. 95. f. 2. 

 Frequent off the West Sands, and thrown ashore after 

 storms. 



m2 



