THE MOUNT DESERT REGION 195 



GASTEROPODA 



Subclass STREPTONEURA 



ASPIDOBRANCHIA 



Acmaeidae 



AcMAEA Eschscholtz 



A. TESTUDiNALis (Muller). {Patella testudinalis Miiller, 

 1776, Zool. Davicae Prodr. ; Tectura testudinalis Gould, 1870, 

 Inv. Mass., p. 267, fig. 529; A. testudinalis Pilsbry, 1891, Man- 

 ual Conch.) Very common on rocks along shore, and on 

 rocks and eelgrass on flats. Common along the entire coast 

 to New Haven, where it is reported as rare. Frequent as 

 far as Greenland. 



A. ALVEUS (Conrad). {Patella alveus Conrad, 1831, Jour. 

 Acad. Nat. Sci. Phila. ; Tectura alveus Gould, 1870, Inv. Mass., 

 p. 269, fig. 530.) Same as above. See statement in General. 



Lepetidae 

 Lepeta Gray 

 L. CAECA (^Sliiller). {Patella caeca Miiller, 1776, Zool. Dani- 

 cae Prodr.; L. caeca Gould, 1870, Inv. Mass., p. 270, fig. 531.) 

 Not widely distributed. Stations: D 37, 38, 80. Reported 

 from Eastport, Casco Bay, and from stomach of fish caught 

 otf Barnstable. From Grand Manan at various places to 

 Greenland. 



Fissurellidae 

 PuNCTURELLA R. T. Lowe 

 P. PRiNCEPs (Mighels and Adams). {Cemoria princeps 

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

 noachina Gould, 1870, Inv. Mass., p. 276, fig. 537 ; P. noachina 

 Pilsbry, 1890, Manual Conch.) Found adhering to rocks and 

 shells. Stations: D 2, 10, 35, 36, 38, 75, 94, 95. Reported 

 from Eastport, Casco Bay, Georges Bank. See Whiteaves, 

 p. 156. 



