24 THE ECONOMIC MOLLUSCA OF ACADIA. 



2. Molluscs occasionally poisonous. 



See Mytilusedulis, 

 Modiola modiolus. 

 Pecten tenuicostatus. 



{!)) Indirectly injurious. 



1. Destructive to oyster beds. 



See Buccinum cinereum. 

 Purpura lapillus. 

 Lunatia heros. 

 Mytihis edulis. 



2. Destructive to young fish. 



See Ommasfrephes illecehrosa. 

 Loligo Pealei. 



Class CEPHALOPODA. 



1. Ommastrephcs illecebrosa (Lesuetn) VerrilL 

 Ommadrejyhes sagittatus Ferassac. 



[Verrill thinks that this species is not identical witb 

 the European 0. Sagittatus. The Loligo Bartramii of 

 Stimpson, in his Synopsis of the Marine luvertebrata of 

 Grand Manan is this species.] 



Squid, Short-finned Squid, Sea-arrow, Flying Calamary. 



Micmac, Sedaasoo-k. Passamaquoddy, Sah tah sis» 

 Acadian French, Alcorne. 



YOmmastrephes, turning its e.yes; illecebrosa, very attractive.] 



Distribution, (a) General; — Rhode Island to Cumber- 

 land Gulf. 



(5) In Acadia; — Abundant around the entire coast of the- 

 three Provinces. Verrill says it is "abundant from Cape Cod 

 to Newfoundland." 



