4 6 



FOSSIL. 



(TERTIARY.) 

 France. 



24. SPH^ERIUM CONCINNUM, Sowerby. 



Edin. new phylosophical Journal. 1829. 

 Fuveau. 



25. SPH^ERIUM GARDANENSE, Matheron. 



/ / 



Matheron Cat. method. 1842. 



Fuveau. 



LIMOSINA. 



Central America, 

 i. LIMOSINA MACULATA, Morelet. 



Smithson. Monogr. 

 Yucatan. (Ex auctore.) 



2. LIMOSINA MERIDIONALIS, Prime. 



Smithson. Monogr. 

 Panama. 



