22 THE ECONOMIC MOLLUSCA OF ACADIA. 



Section II. A List of those Molluscs of the waters of 

 Acadia which are Useful or Injurious^ 

 to Man. 



Analysis. 



A. Useful Mollusca. 



(a) Directly useful. 



1. As food. See Ostrea Virginiana 



Mya arenaria, 

 3fya trimcata. 

 Pecten tenuicostatus. 

 Pecten Islandicus. 

 Pecten irradians. 

 Venus mercenaria. 

 Mytilus edulis. 

 Modiola modiolus. 

 Solen ensis. 

 Mactra i>olidissima. 

 Mactra ovalis, 

 Cyprina Mandica. 

 Zirphcea cfispata. 

 Cardium Islandicum. 

 Littorina litorea. 

 Lunatia heros. 

 Buccimim undatum. 

 Fusus Isfandicus. 

 Pusns decemcostatus. 



2. As bait in the fisheries. See Ommasirephes illeccbrosa.. 



Loligo Pealn. 

 Mya arenaria. 

 Mya truncata. 

 Mytilus edulis. 

 Mactra solidissima. 

 Mactra ovalis. 

 Buccinum undatum.. 

 Purpura lapillus^ 



