136 JOURNAL OF THE NEW JERSEY 



low the middle ; spire acute ; whorls flattened, the first three 

 smooth, the last, with 10-15, smooth, obtusely rounded ribs, 

 separated by wdder, concave spaces, and covered by revolving 

 striae ; these ribs gradually disappear below the middle where 

 they are replaced by many, deep revolving grooves. L. 12 ; D, 

 54 ; An. 36° ; Wh. 9-10 ; Ap. f .— Mass. and south. More abun- 

 dant south. 



2. Columbella liinata, Say. Shell ovate-conic ; whorls slightly 

 convex; suture shallow; surface smooth, except a single, revolv- 

 ing line below the suture, and a few around the base ; aperture 

 oval, outer lip toothed within. Color reddish-brown, with two 

 rows of crescent-shaped, whitish spots on the whorls ; outer lip 

 dark-brown. L. 5 ; D. 2J ; An. 43° ; Wh. 6 ; Ap. f .— Mass. and 

 south. Common south of Cape Cod. 



3. Columbella rosacea, Gld. Shell acutely conic, covered with 

 minute, revolving lines ; lip sharp and without teeth. White, 

 tinged with rose. L. 7; D. 3 ; An. 35°; W^h. 6; Ap. |.— New 

 England. In rather deep water. 



Family 55. MURICID/E. 



Shell turreted, with an anterior canal; the whorls thickened by 

 longitudinal ribs or nodules at each rest period in its growth. 

 Operculum with niarginal nucleus. 



* Whorls rounded. (A.) 



A. Longitudinal ribs very distinct ....1. UrosaJpinx. 



A. Revolving furrows very distinct S. Purpura . 



* Whorls angulated 2. Eupleura. 



1. Urosalfinx, Stim. 



Shell elongated oval, with about 10 rounded, longitudinal 

 ribs; cannl short, broad. 



1. Urosalpinx cinerea,' Siiy. (Fig. 35). Shell oval; fusiform, 

 with convex whorls, crossed by about 12 rib-like undulations, 

 and with numerous, revolving lines ; aperture oval, outer lip 

 sharp ; canal short. Color reddish-brown, covered with ashy- 

 gray pigment, brownish within. L. 25; D. 15; An. 50°; Wh. 

 5-6 ; Ap. J ; canal nearly J Ap. — Whole coast. Common on 

 rocks, especially southward. 



2. Eupleura, Adams. 



Shell elongated, with about 10 longitudinal ridges or varices ; 

 aperture oval, with a long, narrow, straight, anterior canal. 



