THE MOUNT DESERT REGION 



201 



Amnicolidae 

 Paludestrina d 'Orbigny 

 P. MiNUTA (Totten). (Turbo minutus Totten, 1834, Amer. 

 Jour. Sci. ; Rissoa minuta Gould, 1870, Inv. Mass., p. 298, fig. 

 566; Littorinella minuta Verrill, 1873, Inv. Vineyard Sound.) 

 A common form from the marshes of the entire New England 

 coast. At, or a little below, low-water mark throughout entire 

 eastern Canada. (Whiteaves). 



Rissoidae 

 CiNGULA Fleming 



C. CARiNATA Mighels and Adams. (Cingula semicostata 

 Mighels and Adams, 1842, Boston Jour. Nat. Hist.; Rissoa 

 peJagica Stimpson, 1851, Boston Soc. Nat. Hist. ; Rissoa cari- 

 nata Gould, 1870, Inv. Mass., p. 301, fig. 572.) This form is 

 not widespread, but is found in sandy mud. Stations : D 25- 

 27, 61-63. Reported from Eastport, Casco Bay, Grand 

 Manan, Gaspe Bay, Trinity Bay. 



C. CASTANEA (Mollcr). {Rissoa castanea Moller, 1842, 

 Kr0yer's Naturh. Tidskr.; C. castanea G. 0. Sars, 1878, Moll. 

 Reg. Arct. Norv., p. 174, pi. 10, figs, la, b.) A mud bottom 

 form and fairly common. Stations: D 1, 11, 12, 93, 108. 

 Reported from Eastport, Penobscot Bay, Gaspe Bay, Lab- 

 rador. 



C. ARENARiA Mighels and Adams. (Mighels and Adams, 

 1842, Boston Jour. Nat. Hist., vol. 4, p. 49, pi. 4, fig. 24; 

 Rissoa exavata Stimpson, 1851, Proc. Boston Soc. Nat. Hist. ; 

 Rissoa mighelsi Gould, 1870, Inv. Mass., p. 301.) Found with 

 C. castanea and fairly common. Stations : D 1, 11, 12, 93, 

 108. Reported from Eastport at various places southward to 

 Watch Hill. Grand Manan, Bay of Fundy. 



C. AREOLATA (Stimpsou). (Turritella areoJata Stimpson, 

 1851, Shells of New England; C. areolata Verrill, 1882, Trans. 

 Conn. Acad. Sci., vol. 5, p. 524, pi. 43, fig. 2.) Found with the 

 two preceding forms, but not as great numbers. Reported 

 from Mount Desert, 10 to 15 fathoms (Verrill) ; Massachusetts 

 Bay, off Marthas Vineyard, 130 fathoms ; north shore Gulf of 

 St. Lawrence. 



