134 JOURNAL OF THE NEW JERSEY 



moderate and twisted ; columella smooth ; operculum ovate, nu- 

 cleus near the edge. 



* Canal very short .1. Buceinum. 



* Canal about one third of aperture 2. Sipho. 



1. BUCCINUM, L. 



Shell ovate or oblong, covered with a horny epidermis ; spire 

 elevated, apex acute ; aperture large, oval, with a wide and very 

 short, anterior canal ; lips smooth internally. 



1. Buceinum undatum, L. Shell thick, ovate-conic, ventricose, 

 with 12 or 13, obliquely- waved, elevated ribs, and many revolv- 

 ing raised lines ; whorls regularly convex ; minute striae extend 

 some distance within the oval aperture, and form crenulations 

 on the outer lip. Epidermis velvety, yellowish-brown, aperture 

 golden yellow. L. 60; D. 35; An. 65°; Wh. 6; Ap. |; canal 

 very short. — N. J. and north. Quite common north of Cape 



Cod. 



2. Sipho, Klein. 



Shell pear-shaped ; whorls rounded, usually smooth, never 

 tuberculate or spinj^ ; spire moderate ; canal produced and re- 

 curved. 



1. Si2)ho Stimpsoni, Morch. (Figs. 32, 33). Shell elongated, 

 svmmetrically fusiform; spire attenuated to the apex; whorls 

 slightly convex ; body whorl covered with 40-50, small, revolv- 

 ing ridges ; near the outer lip. these give place to vertical, sinuous 

 striae; aperture oblong ovate. Elpidermis horn brown, inside 

 pearly-white. Animal white, with irregular black spots. L. 70 ; 

 D. 27 ; An. 50° ; Wh. 8 ; Ap. over J ; canal ^ of Ap. — Mass. and 

 north. A deep water shell, occasionally thrown on the beach. 



2. Sipho pygmwus, Gld. Shell same shape and markings as 

 above. Animal pure white. L. 25; D. 11; An. 38°; Wh. 6; 

 Ap. f ; canal J of Ap. — Mass. and north. Deep water. 



Family 53. NASSID/E. 

 Shell ovate, spire usually elongated ; aperture with a notch 

 or a short recurved canal ; inner lip usually callous ; operculum 

 horny, with nucleus at one end. Animal with two tails at the 

 posterior extremity. 



Nassa, Lam. 

 Shell ovate ; aperture ovate with a short, recurved, truncated, 

 anterior canal; inner lip smooth ; outer lip dentated, and internal- 



