Issa lacera (Muller). 



Cashes Ledge, 25 fath. (Verrill). 

 Palio lessoni (d'Orbigny). 



Polycera lessoni, d'Orbigny. 



Casco Bay (Verrill, Kingsley) ; outside Casco Bay 

 (Verrill) ; five miles southwest of Seguin (Verrill). 

 Ancula sulphurea, Stimpson, 1853. 

 Grand Manan (Stimpson). 



/ 



Cephalopoda (Squids, Cuttlefish). 

 Polypus arcticus (Prosch), 1849. 

 Octopus bairdii, Verrill, 1873. 



Outside Casco Bay, 50 to 95 fath., muddy bottom 



(Verrill). 

 Loligo pealii, Lesueur, 1821. 



Casco Bay (Kingsley) ; Deer Isle, Hancock county, 



taken in a weir (Norton). 

 Ommastrephes illecebrosus, Lesueur. 

 Loligo illecebrosa, Stimpson, 1851. 



Whole coast of Maine. 

 Stolotenthis leucoptera (Verrill). 



Gulf of Maine, no fath. (Verrill). 



FRESH-WATER SPECIES. 



Pelecypoda. 



Unionidae (Fresh water mussels). 

 Lampsilis cariosus (Say), 1816. 



Unio cariosus, Gould, 1841, 1870. 



Reported from Knox, Lincoln and Penobscot counties. 

 Lampsilis ochraceus (Say), 1816. 



Kennebeck and Penobscot rivers; Knox and Lincoln 



counties. 

 Lampsilis radiatus (Gmelin), 1792. 



Cumberland, Oxford and Penobscot counties. 

 Strophitus undulatus (Say). 



Anodonta undulata, Say, 1816. 

 Anodon undulata, Gould, 1870. 



Androscoggin river at Bethel, Oxford county (E. W. 

 Roper in B. S. N. H.). 



