314 scalariidj:. 



Scalaria Groenlandica. 



Fig. 170*. 



Shell elongated, regularly tapering to a point, of a livid color ; whorls ten, in 

 clo.se contact, moderately convex, and traversed by flattened white ribs, the in- 

 tervening spaces with distant, coarse, revolving lines ; no umbilicus. 



Turlm d'lthrus Grcenlandicns, Chemn. Conch, xi. t. 1878, 1879. 



Scalaria planicosta, Kiener, Iconog. (Scalaria), pi. 7, fig. 21. 



Scalaria nubnlata, Couthouy, Best. Journ. Nat. Hist. ii. 93, pi. 3, fig. 4. — De Kay, N. 



Y. Moll. 123, pi. 6, fig. 124. 

 Scalaria Granlamlica, Sowerby, Thes. 101, pi 34, figs. 105, lOG. — Gould, Inv. 1st 



ed. 249, fig. 170*. — Stimpson, Check Lists, 5. 



Shell turreted, long, and regularly tapering to a fine point, of a 

 dead bluish-white or livid-ljrown color ; whorls ten, rather flattened, 

 barred with eight to fifteen stout, flattened, oblique white 

 ribs, some of which are ap])arently douljle ; ribs not ter- 

 minating abruptly, ])ut liending and flowing along the sut- 

 ural sjiace to the preceding ones ; the intervening space 

 is marked by six or eight coarse, rounded, equidistant 

 ridges and revolving lines ; a single one, nearly as ele- 

 vated as the ribs, revolves from the upper angle of the 

 aperture ; aperture nearly round, bordered by a rib ; left 

 s. CrrcFnian. lip a Httlc cxpaudcd, and projecting into a perceptible an- 



chca. ^ • n Tl '1 111 



gle m iront. Length, one inch ; greatest breadth, seven 

 twentieths of an inch ; divergence, thirty-four degrees. 



Found thrown upon Nahant Beach, and taken from fishes caught 

 in Massachusetts Bay, and at the Grand Banks, abundantly. East- 

 port, dead ( Cooper') ; off" Egg Rock, seventeen fathoms (^Haskell) ; 

 Nova Scotia {Willis'); fossil, Beauport {Dawson). Mr. Couthouy 

 found one alive at Phillips's Beach, the animal of which lie describes 

 nearly as follows : — 



Animal yellowish-gray, thickly and irregularly marked with dull 

 whitish spots, most conspicuous on the sides of the neck ; foot 

 short, thick, and nearly quadrangular ; head elongated, rounded 

 superiorly, not separated from the neck by any distinct line ; tenta- 

 cula two, about an eighth of an inch long ; eyes small, black and 

 shining, at the outer base of the tentacula ; mouth rather large, 

 rounded, corrugated ; operculum horny, strong, opaque, of few 

 turns. It was sluggish in its movements, and fed eagerly upon 

 fresh beef, especially if somewhat macerated. 



Two imperfect shells in my possession, which I had supposed to 



