gasteropoda. 

 Family Contd^ 



Contains Coinjs {Oonarlis), Dibaphtjs, PlexTHOTOMA {Drillia, 

 Bela, OUonella, Daphnella), Clavatula {Tomella), Mangelia 

 {Clathurella), Lachesis, Cithara, and 



BoRSOisriA, Bellardi, 1839. 



Synonym, Cordieria, Eonault, 1848. 



Shell like Pleicrotoma, witli oblique folds on tlie thick colu- 

 mella, and thus establishes a passage between Pleurotoma and 

 Turhinella. 



Distribution, 4 species. East Indies. 



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

 United States. 



GosAYiA, Stoliczka, 1866. 



Type, Yoluta squamosa, Zekeli. 



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

 base emarginate ; outer lips notched near the posterior suture ; 

 columella lip plicated, the anterior plaits being always the 

 strongest. 



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



[Family Naticid-^.] 



The genera are — 



Natica, containing as sub-genera Naticospis, Neverita, 

 Xunafia, Globulus, Globularia, Polinices, Cernina, and 



JEuspira{Aga.Bsiz), Morris and Lycett, 1850. 



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

 or carinated. 



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

 land, 



'' Fuspira presents considerable affinities to the Palseozoie 

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

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

 (Mor. and Lye.) 



SiGARETTJS (and sub-genus Naticina), 

 Lamellaeia {Oncidiopsis and Marsenia), VELUTmA. 



Amatjua. 



Type; A. Candida, Holler. Greenland. 



It 



