426 Dr. W. C. Mcintosh on the 



Genus 6. Fusus, Braguifere. 

 Fusus antiquus, L. Op. cit. iv. p. 323, v. pi. 85. f. 1 & 2. 

 Abundant in the coralline zone, and frequently thrown on 

 shore after storms. 



Fmus gracilis^ Da Costa. Op. cit. iv. p. 335, v. pi. 86. f. 2. 

 Common on the West Sands after storms, and often brought 

 in by the fishing-boats. 



Fusus propinquus, Alder. Op. cit. iv. p. 338, v. p. 219, 



pi. 86. f. 3. 

 Occasionally procured from the deep-sea lines of the fisher- 

 men. 



Fam. 29. Nassidae, Stimpson. 



Genus 1. Nassa, Lamk. 



Nassa incrassata^ Strom. Op. cit. iv. p. 351, v. pi. 88. f. 1. 



Common in the laminarian region and under stones between 



tide-marks j while worn shells are abundant in debris at the 



East Kocks. 



Fam. 30. Pleurotomidse, Lov^n. 

 Genus 1. Defeancia, Millet. 

 Dejrancia linearis^ Mont. Op. cit. iv. p. 368, v. pi. 89. f. 2. 

 From deep water ; rather rare. 



Genus 2. Pleueotoma, Lamk. 

 Pleurotoma costata^ Donovan. Op. cit. iv. p. 379, v. pi. 90. f. 3. 

 Occasionally in shell-debris from the West Sands. 



Pleurotoma rufa, Montagu. Op. cit. iv. p. 392, v. pi. 91. f. 6. 

 Common on the West Sands after storms. 



Pleurotoma turriculaj Montagu. Op. cit. iv. p. 395, 

 V. pi. 91. f. 7. 



Abundant under the same circumstances. 



Pleurotoma Trevelyana^ Turton. Op. cit. iv. p. 398, 

 V. pi. 91. f. 8. 



Not uncommon in the stomachs of cod and haddock. 



