2l2 AMERICAN JOURNAL 



C. ELLAPSA, Conr.— PL 20, fig. 8. 



Descrii^tion. — Short-fusiform, wliorls 5, rapidly increasing 

 in size; 3 prominent revolving lines on the penultimate volu- 

 tion ; 2 or 3 distant varices on the penultimate and body vo- 

 lutions, the latter with longitudinal unequal ribs; nuclear 

 whorls entire; aperture half the shell's length; labrum entire 

 within. 



Locality. — Texas. Dr. Francis Moore. 



TORNATELL^A, Conrad. 



T. LATA, Conr.— PI. 20, fig. 13. 



Descri'piion. — Suboval, spire acute; whorls 5, convex; body 

 whorl ventricose ; ribs close and numerous ; columella with 2 

 distant plaits. 



Locality. — Alabama? 



DENTALIUM, Lin. 



D. DENSATUM, Conr. — PI. 20, fig. 15. 



Description. — Thick in substance, with numerous unequal, 

 slightly raised lines, disappearing towards the base. 



CHITON, Lin. 



C. ANTiQUUS, Conr. — PI. 20, fig. 7. Proceed. Acad. Nat. 

 Sciences, vol. vii., p. 263. 



C. EoCENENSis, Conr.— PL 20, fig. 6. Ih. 



CORBULA, Lam. 



C. FiLOSA, Conr. — PL 20, fig. 5. Amer. Jour, of Conch., vol. 

 L, p. 145. 



GOULDIA, Adams. 



G. PYGM^A, Conr. — PL 21, fig. 5. Amer. Jour, of Conch., 

 vol. i,, p. 139. 



CYCLAS, Klein. 



C. CURTA, Conr. — PL 20, fig. 11. Amer. Journ. of Conch., 

 vol. i., p. 139. 



