GENUS PALUDINA, Lamarck. 

 PLATE 1. FIG. 1. 



Testa conoidea: apertura Integra, ovata: anfractibus con- 

 vexis: marginibus connexis, acutis: operculum corneum. 



SYNONYMS AND REFERENCES. 



HELIX, LINNAEUS, GMELIN, DILLWIN. 



TURBO. BUCCINUM. VIVIPARA. CYCLOSTOMA. 



NERITA, MULLER, SCHROTER. 



BULIMUS, (BULINUS,) PoiRET. 



PALUDINA, LAMARCK. An. sans Vert., vol. viii. p. 509. 



SOWERBY. Genera of Shells. 



CUVIER. An. du Mus., vol. xi. p. 170 Memoires pour 



servir a L'Histoire et a L'Anatomie des Mollusques. 



Anno 1817. 



DESCRIPTION. 



ANIMAL with the head short and truncated, 

 extending a little beyond the shell: rostrum 

 very small: mouth terminal, furnished with two 

 lateral jaws: tentacles slender and subulate, 

 the eyes situated upon an enlargement of their 



Fl 



