GASTEROPODA. 
FAMILY CONIDZ 
Contains Conus (Conarbis), DIBAPHUS, PLEUROTOMA ( Drillia, 
Bela, Clionella, Daphnella), CLAVATULA (Tomelia), MANGELIA 
(Clathurella), LACHESIS, CITHARA, and 
BorsontA, Bellardi, 1839. 
Synonym, Cordieria, Ronault, 1848. 
Shell like Plewrotoma, with oblique folds on the thick colu- 
mella, and thus establishes a passage between Plewrotoma and 
Turbinella. 
Distribution, 4 species. Hast Indies. 
Fossil, 23 species. Hocene—. France, Italy, England, 
United States. 
GosAVIA, Stoliczka, 1865. 
Type, Voluta squamosa, Zekeli. 
Shell sumilar 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. — Hocene?P Gosau; India. 
[FAmMiIny NATICIDZ. ] 
The genera are— 
NATICA, containing as sub-genera WNaticospis, Neverita, 
Lunatia, Globulus, Globularia, Polinices, Cernina, and 
Huspira (Agassiz), Morris and Lycett, 1850. 
Spire more or less eleyated ; whorls few, distinct, angulated, 
or carinated. 
Fossil, 6 species. Inferior Oolite—. Forest Marble. Eng- 
land. 
‘‘ Huspira presents considerable affinities to the Paleozoie 
genus, Scalites (Hall), in the lines of growth having the appear- 
ance of a slight fissure, where the angle occurs in the yolution.”’ 
(Mor. and Lyc.) 
SIGARETUS (and sub-genus Naticina). 
LAMELLARIA (Oncidiopsis and Marsenia), VELUTINA. 
AMAURA. 
Type, A. candida, Moller. Greenland. 
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