14 



In his 185 1 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). 

 [y^ M)^a 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. 

 f^ Mya truncata, Linne. 



Found all along the coast but not very common. 

 V 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. 

 Panopzea arctica, Gould, 1870. 



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

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

 / (Stimpson). 



V 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). 



1/ Zirfsea 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). 



y 



