STYLIFER. 161 



11*. FASTiGATus, f. 12, J.. Adcf.ms. — Solidiusculus, pyrami- 

 datus ; anfractibus brevibus, rectis ; apice acuminato, paulo 

 ad dextram reeurvo, ultimo anfractu brevi. — With short 

 straight-sided whorls, and apex slightly curved to the right. 



12. SOLIDUS, f. 3, A. ^fZciw.s. — Subcylindricus, anfractibus 

 convexiusculis, apicalibiis sex, tenuibus angustissimis deinde 

 subito crescentibus. — From the narrow apex suddenly en- 

 larging and forming a nearly cylindrical shell. 



13. EXARATUS, f. 13, A. Adams. — Solidus, subroseus, altus, 

 anfractibus declivibus, versus suturam subdepressis. — Solid, 

 elevated, and slightly tinted. 



14. SUBDLATUS, f. 14, Bvoderlp. — Tenuissimus tortuus ; 

 apice ad sinistram reeurvo ; apertura subquadrata ; labio 

 externo supra medium sinuatim producto. — Very thin and 

 bubble-like, with the apical whorls turned to the left and the 

 outer lip sinuously produced above the middle. 



15. Thomasii, f. 15, Sotuerby. — Tenuis altus rectus versus 

 apicem subito contractus ; apertura subquadrata. — A very 

 tall straight figure with a thin straight needle-like apex. 



16. sPECiosus, f. 18, A. Adams. — Brevis, pupgeformis, 

 apice aculeato, anfractibus subinflatis ; apertura parva ; labio 

 externo flexuoso. 



17. BULBiFORMis, f. 19, Soiuevby. — Solidiusculus pyrami- 

 datus, infra rotundus ; apice paulo retrorso ; apertura rotunda. 

 — A very plain, straightly pyramidal shell. 



18. suBANGULATUs, f. 20 (faulty), A. Adams.— Qua.m S. 

 corallinus latior ; labio externo flexuosim producto. 



