118 JOURNAL OF THE NEW JERSEY 



* Spire conspicuous ; inner lip with one fold / . Tornatiiia . 



* Spire about flat; inner lip smooth 2. Utrieulus. 



* Spire sunken; inner lip with 1-2 folds 3. Cyliehnella. 



] . TORNATINA, A. Ad. 



Shell cylindrical or fusiform, spire conspicuous, apex, sinistral, 

 suture channeled, columella callous, one-plaited. Animal with 

 a broad, trigonal head, rounded in front; tentacular lobes tri- 

 angular, with eyes at their outer bases ; foot short. 



1. Tornatina canaliculata, Say. Shell cylindrical, polished, 

 with very faint lines of growth ; spire a little elevated, with a 

 minute but prominent tip ; the summit of each whorl has a 

 shallow, rounded groove ; inner lip with a single oblique fold or 

 tooth near the base. White, without spots. L. 3-5 ; D. 1^2^ ; 

 An. 150° ; Wh. 5; Ap. i— Mass. and south. 

 2. Utriculus, Br. 



Shell rather thin, sub-cylindrical, with short spire and thin 

 epidermis ; aperture narrow behind, wider in front ; columella 

 not plicated ; outer lip thin, straight. 



1. Utriculus Gouldii, Cout. Shell ovate, shining; spire nearly 

 flat, showing all the whorls ; aperture narrow for about J of its 

 length, then suddenly, enlarges by the curvature of the inner lip 

 which is a little thickened, white and polished. White with 

 yellowish epidermis. L. 7^ ; D. 2J ; Wh. 4 ; Ap. whole length. — 

 Cape Cod and north. In rather deep water. 

 3. Cylichnella, Gabb. 



Shell sub-cylindrical, spire sunken; aperture wide in front, 

 narrow behind ; columella with one or two folds. 



1. Cylichnella oryza, Tot. Shell oval, not very thin, glossy and 

 smooth except under a magnifier when the ends will show a few 

 minute, revolving lines and lines of growth ; outer lip regularly 

 curved and sharp ; inner lip thickened, smooth, glossy, and 

 twisted so as to form an oblique fold. White. L. 7J ; D. 2J ; 

 Ap. full length of shell. — Cape Cod and south. 

 Family 39. SCAPHANDRID£. 



Shell thin, transparent, oval-globular ; spire very short ; aper- 

 ture very wide in front ; outer lip thin, sinuous. Head broad 

 and short ; tentacular lobes short, conical, wide apart, with eyes 

 sunken in their hind bases. 



