26 



PROCEEDINGS OF THE 



Common. 



Frequent on oyster beds. 



Abundant. 



Rare. 



Abundant. 



Finely coloured. 



Abundant on oyster beds, and small. 



Common. 



Common. 



*Pecten opercularis, 



* — varius, . . 

 *Anomia epliippium, 

 *Ostrea edulis, 

 *Cliiton fascicularis, 

 Patella vulgata, 

 Trochus magus, 



* — cinerarius, 



* — umbilicatus, 



* — zizypliinus, 

 — tumidus. 



*Littorina littoralis, . 



* — littorea, 



* — rudis, . . 

 *Turritella communis, 

 Natica nitida. 

 ^Purpura lapillus. 

 Nassa reticulata. 

 *Buccinum undatum. 

 *Fusus antiquus. 



* — Islandicus. 



The following are the six referred to : — 



*Diodonta fragilis, Eare. 



*Tapes virginea, Not uncommon. 



*Lucina borealis, Eare. 



*Acm3ea testudinalis, Common. 



*Cerithium reticulatum, .... Common. 



*Chiton marmoreus, Eare. 



In the Statistical Account of the parish of Kirkcolm, 24 of these 

 species are named, along with the 5 following, not found by us : — 



Psammobea Ferroensis. 

 Lutraria ellijitica. 

 Littorina neritoides. 

 Aporrhais pes-pelicani. 

 Bulla lignaria. 



III. — The Oyster Fishery. 

 The oyster (Ostrea edulis) is by no means uncommon on the 

 shores of our Firth, and may be found almost everywhere attached 

 to the rocks about the low-water mark of spring tides. Usually a 



