GASTEROPODA. 85 



GASTEROPODA. 



Sub-class STREPTONEURA. 



ASPIDOBRANCHIA. 



ACMAEIDAE. 



*Acinaea testudinalis (Miiller). 



Pilsbry, Manual Conch., 1891, ser. 1, vol. 13, p. 10, pi. 9, figs. 

 25-29. 



Patella testudinalis Miiller, Zool. Danicae Prodr., 1776, p. 237. 

 " Daniae et Norvegiae." 



Tedura testudinalis Gould, Inv. Mass., 1870, p. 267, fig. 529. 



Me.— Common along the entire coast. 



Mass.— Marblehead; Cohasset; Provincetown ; Marthas Vine- 

 yard. 



R. I.— Watch Hill. 

 CoNN.^ — New Haven, rare. 



*Acmaea alveus (Conrad). 



Patella aheus Conrad, Journ. Acad. Nat. Sci. Phila., 1831, ser. 1, 

 vol. 6, p. 267, pi. 11, fig. 20. " Massachusetts." 



Tedura alveus Gould, Inv. Mass., 1870, p. 269, fig. 530. 



Me. — Casco Bay; North Haven; Frenchman's Bay. 

 Mass. — Massachusetts Bay. 



Acmaea fergusoni Wheat. 

 Wheat, Sci. Bull. Brooklyn Inst. Arts and Sci., 1913, vol. 2, p. 17. 



*' NORTH SHORE LONG ISLAND, N. Y." 



Conn. — New Haven (Perkins), see Wheat, Nautilus, 1913, 

 vol. 27, p. 72. 



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