MOLLUSC A. 
79 
Fam. 13. Turritellidse, Clark. 
Genus Turritella, Lamarck. 
Turritella terebra , L. Op. cit. iv. p. 80, v. pi. 70. f. 6. 
Common in deep water. Var. nivea is also not rare. A 
favourite food of the codfish, probably in many cases on 
account of its tenant the hermit crab. 
Fam. 15. Scalariidae, Broderip. 
Genus Scalaria, Lamk. 
Scalaria Trevelyana , Leach. Op. cit. iv. p. 93, v. pi. 71. f. 4 
From the fishing-boats, and on the West Sands after storms. 
Rather rare. 
Fam. 16. Pyramidellid®, Gray. 
Genus 2. Odostomia, Fleming. 
Odostomia rissoides, Hanley. Op. cit. iv. p. 122, v. pi. 73. f. 4. 
Common in shell-sand. 
Odostomia clathrata , Jeffreys. Op. cit. iv. p. 148, v. pi. 74. f'. 9. 
Worn specimens not uncommon in shell-debris from the 
West Sands. 
Odostomia indistincta , Montagu. Op. cit. iv. p. 149, 
v. pi. 75. f. 1. 
Occasionally in shell-sand from the West Sands. 
Odostomia interstincta , Montagu. Op. cit. iv. p. 151, 
v. pi. 75. f. 2. 
In shell-sand from the same locality. 
Odostomia nitidissima , Montagu. Op. cit. iv. p. 173, 
v. pi. 76. f. 8. 
In debris from the West Sands. 
