MOLLUSCA. S3 



Pkurotoma Trevelyana, Tint on. Op. cit. iv. p. 398, 

 v. pi. 91. f. 8. 



Not uncommon in the stomachs of cod and haddock. 



Fam. 31. Cyprseidas, Fleming. 

 Genus 2. CypRjEA, L. 



Cyprcea europcea, 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 Rocks, and generally in 

 the laminarian region. The living animal represented in Dr. 

 Gwyn JefFreys's work is from a coloured drawing hy my sister. 



Order IV. Pleubobeanchiata, Gray. 



Fam. 1. Bullidae, Clark. 



Genus 1. Cylichna, Loven. 



Cylichna cylindracea, 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. 



Utriculus truncatulus, Bruguiere. Op. cit. iv. p. 421, 

 v. pi. 94. f. 2. 



Occasionally from deep water, and in de"bris on sands. 



Utriculus 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. Action, 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 



