10 iJall and Bartsch—ThePijramuleindw, 



Shell not inllatPtl 



Sumniit of the whoils not shonldered 



ISubg. Odostomiella IJncquoy, Dantzenberg- 



and Dollfusv 1883. 

 Type, lii.sfioa doiiolum Phil. 



Summit of the whorls tabisilate 1 



Stibg. Salassia De Folin, 1885. 



Type, Sulasma earinafa De FoL 



Spiral markings consisting of a strong, broad, raised coni 

 at the summit of the whorls, separated from the remain- 

 ing part by a strongly impressed spiral groove 

 Vilia snbg. nor. 

 Type, Odontuvdu ( Vilia) jprlUbryi 



sp. riov. 



Si^iral mnrkings consisting of two tnmid ridges, one at tlip 

 periphery and one at the summit of the whorls; with 

 many striations on the base 



• Folinella sniig. nov. 



Type, Amoura angulifereng De Fol. 



Spiral markings consisting of several to many raised threads 

 in the intercostal spaces, always less strongly developed 

 than the axial ribs 

 Intercostal spaces crossed by eqiiallj^ spaced, raised 

 spiral threads, sculpture reticulated 



Subg. Trabecula Monterosato 1884. 



Type, Odostomia je^rei/nana Monter. 



Intercostal spaces crossed by several raised spiral 

 threads, base not spirally marked 



Subg. Parthenina Bucquoy, Dautzenberg 



and Dollfus, 1883. 

 Type, T^i7'bo inter stinctus Montagu. 



Intercostal spaces crossed by several spiral threads, base 

 . spirally striated 



Bes'a subg. nov. 



Type, ChrysalUda convexa Cpr. 



Spiral markings consisting of strong, raised threads or cords, 

 equal to, or even stronger than axial ribs 

 Spiral cords equally spaced, and equally well developed 

 between the sutures and on the base; sculpture nodu- 

 lose throughout 



Subg. Mumiola A. Adams, 1864. 

 <• Tj^pe, Monoptygma spirata A.. Ads. 



