MOLLDSCA. 81 



Fam. 23. Cancellariidae, Forbes & Haiiley. 

 Genus 2. Trichoteopis, Broderip & Sowerby. 



Trichotropis horealis^ Brod. & Sowerb. Ojy. cit. iv. p. 245, 

 V. pi. 79. f. 6. 



A single specimen from the stomach of a cod. 



Fam. 24. Aporrhaidae, Troschel. 

 Genus AporrhaiS, Da Costa. 

 Aporrhais pes-pelecani, L. Op. cit. iv. p. 250, v. pi. 80. f. 1. 

 Abundant on the West Sands after storms, and frequent in 

 the ddbris of the fishing-boats. 



Fam. 27. Buccinidse, Fleming. 

 Genus 1. Purpura, Bniguifere. 

 Purpura lapillus, L. Op. cit. iv. p. 276, v. pi. 82. f. 1. 

 Very abundant between tide-marks on rocks and stones. 

 Varieties are common. 



Genus 2. Buccinum, L. 

 Buccinum undatum, L. Op. cit. iv. p. 285, v. pi. 82. f. 2-5. 

 Common in the living state (var. littoralis) in pools at the 

 East Kocks, especially where a sti-eam of salt water rushes 

 through the seaweeds. This species spawns in October, 

 November, and the following months ; the young are found 

 in swarms on the egg-cases in May. Frequent on the West 

 Sands after storms- 

 Genus 5. Trophon, De Montfort. 

 Troplion truncatus, Strom. Op. cit. iv. p. 319, v. pi. 84. f. 6. 

 Not uncommon in the fishing-boats, and the stomachs of 

 the cod, haddock, and flounder. 



M 



