(14 MARINE FAUNA OF ST. ANDREWS. 



of the bay, chiefly attached to bivalves. Worn valves are 

 abundant in the gravel at the East Rocks. 



Pecten opercularis, L. Op. cit. ii. p. 59, v. pi. 22. t'. 3 & 3 a. 



Frequently brought by the fishing-boats, and thrown on the 

 beach after storms. 



Pecten tigrituis, 0. F. Miillcr. Op. cit. ii. p. 65, v. pi. 23. 

 f. 2 & 2 a. 



Perfect specimens from the coralline ground and the 

 stomachs of haddocks and flounders ; single valves on the 

 beach in gravel and after storms. 



Pecten similis, Laskey. Op. cit. ii. p. 71, v. pi. 23. f. 5. 

 Frequent in the stomachs of flounders and haddocks ; more 

 rarely procured from the coralline ground. 



Pecten maximus, L. Op. cit. ii. p. 73, v. pi. 24. 



Occasionally brought up on the deep-sea lines of the fisher- 

 men. 



Genus 2. Lima, Bruguierc. 

 Lima subauriculata, Mont. Op. cit. ii. p. 82, v. pi. 25. f. 3. 

 Not common ; from the deep water of the bay. 



Lima Loscombii, G. B. Sowerby. Op. cit. ii. p. 85, 

 v. pi. 25. f. 4. 



Single valves occasionally appear in the fishing-boats ; 

 perfect specimens are found in the stomach of the cod. 



Fam. 5. Mytilidae, Fleming. 

 Genus 1. Mytilus, L. 



Mytilus edulis, L. Op. cit. ii. p. 104, v. pi. 27. f. 1. 

 Constituting by their vast numbers a most important mussel- 

 bed at the estuary of the river Eden. Multitudes of the young 

 animals, besides, form a coating to the posts of the salmon- 

 nets, to rocks, stones, and tangle-roots in various places. 



