Shells found in Essex County. 71 



In the young, frequently taken from the stomach of fish, and 

 about half an inch long, the transverse striae are much more 

 perceptible. 



Say's Am. Conchol,, plate xxix. 



My Cabinet. 



Fusus CINEREUS. Say, Latin, ashen. 

 Ash-colored Fusus. 



Shell, short fusiform, cinereous without, reddish brown within; 

 whorls five or six with thick longitudinal ribs, about eleven of 

 which are on the body whorl ; beak short and a little reflected 

 outer lip somewhat crenate. Length about two inches. Com- 

 mon in our estuaries, especially in this vicinity, about the City 

 Mills. 



Described by Say, in Journ. Acad. Nat. Sc. Phil., vol. ii. } 

 p. 236, and in his Am. Conchol., pi. xxix. 



Cabinet of the Society. 



Fusus HARPULARIUS. Couth. Latin, resembling a harp. 



Shell, small, oblong, turreted, whorls about eight, with nume- 

 rous oblique ribs ; canal short, inclined to the left. 



Described in Boston Journ. Nat Hist., vol. ii., p. 106, pi. i., 

 fig. 10. 



Found in abundance on Lynn beaches, by Dr. Prescott j 



His Cabinet and Cabinet of Society. 



TURRITELLA. Latin, diminutive. A little turret. 

 EROS A. Couth. Latin, eaten or eroded. 



Shells turretted, whorls about ten, gradually tapering to a 

 point ; transverse furrows on each whorl three to five. Upper 

 whorls much eroded. Color reddish brown or lilac ; with an 

 epidermis. 



An exceedingly pretty little shell, first described by Captain 

 Couthouy, who found it in the maws of fishes caught in our bay. 

 Specimens taken in the same manner off Half-way rock, last 

 summer, by Dr. Wm. P. Richardson, were presented to the 

 Society. A species of Pagurus, (Hermit crab) seems to select 

 this shell for its favorite retreat. 



Boston Journ. Nat. Hist., vol. ii., p. 103, pi. iii. ? fig. 1. 



Cabinet of the Society. 



