13 Dr. P. P. Carpenter on new Furms of Mollusca. 



et dimidio, rapidissime augentibus ; vertice vix conspicuo ; anfr. 

 ult. antice valde porrecto ; regione coluinellari incurvata ; labio 

 valido ; axi baud rimata ; epidermide tenui, rugis increnienti or- 

 nata, spirabter baud striata. Long. "1, long. spir. '\5, lat. '95, 

 div. 140°. 



Uab. NeeahBay; rare {Swan), 



246 





