14 



In his 1851 list, Stimpson gives "whole coast," as the range 

 for this species, while we have only the following records : 



Saco Beach (Mighels) ; Old Orchard Beach (Went- 

 worth) ; just outside Casco Bay (Kingsley) ; in the 

 vicinity of Portland (Chickering). 

 Mya arenaria, Linne. 



Mya mercenaria, Say, 1822. 

 (Common clam.) 



Abundant all along the coast of Maine, in sand, mud 

 and cleft of rocks, between tides. Largely con- 

 sumed as an article of food. 

 Mya truncata, Linne. 



Found all along the coast but not very common. 

 Saxicava arctica (Linne). 



Saxicava distorta, Say, 1822. 



Saxicava rugosa, Stimpson, 1851, Gould, 1870. 



All along the coast, in crevices of rocks at low water- 

 mark to 100 fathoms. 

 Panomya norvegica (Spengler). 

 Glycymeris arctica, Lamarck. 

 Panopsea arctica, Gould, 1870. 



Casco Bay (Kingsley) ; Frenchman's Bay, only valves, 

 25 to 30 fath. (Blaney) ; Grand Manan, 40 fath. 

 (Stimpson). 



Cyrtodaria siliqua (Daudin). 

 Glycimeris siliqua, Lamarck. 

 Solen siliqua, Chickering, 1854. 



This species is rare on the coast of Maine. Casco 

 Bay (Chickering, Fuller and Kingsley) ; only valves 

 dredged in Frenchman's Bay (Blaney) ; Bar Harbor 

 (Henderson). 

 Zirfaea crispata (Linne). 



Pholas crispata, Linne, 1758. 



Casco Bay (Fuller, Verrill, Kingsley, Lee) ; Popham 

 Beach (Norton) ; Old Orchard (Winkley) ; Penob- 

 scob Bay, 50 fath. hard clay (Lermond) ; French- 

 man's Bay, one valve in 10 fath. (Blaney) ; Eastport 

 and Grand Manan (Stimpson). 

 Pholas truncata, Say, 1822. 



Scarboro (E. P. Sampson, per E. W. Roper in Con- 

 chologists Exchange, Vol. I, p. 65, 1887). 



