gasteropoda, 

 Family Conid^ 



Oontains Coiras (Conarhis), DrBAPHUS, Pleueotoma {Drillia, 

 Beta, CUonella, DapJinella), Clayattjla {Tomella), Mangelia 

 {Clathurella), Lachesis, Cithara, and 



BOKSONIA, Bellardi, 1839. 



Synonym, Cordieria, Eonault, 1848. 



Shell like Pleurotoma, with oblique folds on the thick colu- 

 mella, and thus establishes a passage between Pleurotoma and 

 Turhinella. 



Distribution, 4 species. East Indies. 



Fossil, 23 species. Eocene — . Erance, Italy, England, 

 United States. 



GoSAYiA, Stoliczka, 1865. 



Type, Voluta squamosa, Zekeli. 



Shell similar to that of Conus ; aperture narrow, elongated ; 

 base emarginate ; outer lij)s notched near the posterior suture ; 

 columella lip plicated, the anterior plaits being always the 

 strongest. 



Fossil, 8 species. Cretaceous. — Eocene ? Gosau ; India. 



[Eamily Naticid^.] 



The genera are — 



Natica, containing as sub-genera Naticospis, Neverita^ 

 lunatia, Glohulus, Olohularia, Polinices, Cernina, and 



jE^«(sp/ra(Aga8Siz), Morris and Lycett, 1850. 



Spire more or less elevated ; whorls few, distinct, angulated, 

 or carinated. 



Fossil, 6 species. Inferior Oolite — . Eorest Marble. Eng- 

 land. 



" Euspira presents considerable affinities to the Palaeozoic 

 genus, Scalites (Hall), in the lines of growth having the appear- 

 ance of a slight fissure, where the angle occurs in the volution." 

 (Mor. and Lye.) 



SiGABETTJS (and sub-genus Naticina), 

 Lamellahia [Oncidiopsis'^diTiA. Marsenia), Yelutina. 



Amatira. 

 Type, A. Candida, Moller. Greenland. 



in 



