FAMILY TROCHID.E TORNATELLA. 127 



(EXTRA-LIMITAL.) 



S. novanglia. (Couthouy, Bost. Joum. Vol. 2, p. 96, pi. 3, fig-. 5. Pl. 6, fig-. 126 of this book.) 

 Shell with the whorls scarcely in contact. Whorls 10, crossed by about 11 delicate ribs, each 

 forming- a little spine in the suture above: intervening- spaces with numerous minute revolving 

 lines. Umbilicus small. Color, glossy white or faint bluish white, with a few rusty blotches. 

 Length, 0-7; width, 0-25. From the stomach of a fish off Cape Ann. A single specimen only 

 known. 



S. clathrus, Lin. (Say, Jour. Ac. Nat Sc. Vol. 5, p. 20S ; Am. Conch, pl. 27, var. c.) Shell conic, 

 imperforate: whorls 6-11, touching each other only by the ribs, but with a very narrow interval; 

 ribs 9, simple, slightly oblique, with a more or less obvious obtuse angle or shoulder above, near the 

 suture; aperture oval-orbicular, a little angulated at the base; lip distinct. Color, white immacu- 

 late. Length, 0-6 - 0-9. Southern Coast. 



S. turbinata. (Conrad, Jour. Ac. Sc. Vol. 7, p. 263, pl. 20, fig. 26.) Shell with the body-whorl 

 dilated: ribs lamellar, strong, very prominent, slightly reflected, terminating above in a prominent 

 angle. Color, white. From deep waters off the coast of North-Carolina. 



S. humphreysii, Kiener. 



GENUS TORNATELLA. Lamarck. 



Shell oval, spirally grooved : whorls few. Aperture long, narrow, rounded beneath, 

 thin ; pillar-lip twisted spirally to form a fold. 



TORNATELLA PUNCTOSTRIATA. 

 PLATE VII. FIG. 143. 



(STATE COLLECTION.) 



Tornatella punclo-striala. Adams, Rost. Journ. Nat. Hist. Vol. 3, p. 323, pl. 3, fig. 

 T. id. Godld, Invertebrata of Mass. p 245, fig. 188. 



Description. Shell minute, suboval, polished. Whorls four to five : body-whorl large, 

 smooth above the aperture ; beneath it, with ten to fifteen punctate revolving lines. Spire 

 short, rapidly diminishing, with a shoulder near the suture : suture deeply impressed. 

 Aperture two-thirds of the length of the body-whorl, narrow, becoming wider beneath : 

 pillar-lip with a prominent fold. Umbilicus open in the young, partly covered by the reflected 

 margin in the adult. 



Color. White. 



Length, 01 - 0-15. 



This species occurs in the mud just below low-water mark in the harbor of New-York, 

 where it was found by Dr. Budd. It his also been found by Dr. C. H. Stillman, in the East 

 river, opposite Williamsburgh. It likewise occurs on the coast of Massachusetts. 



