28 



Teneridae. 



793. Chione mississippiensis, Conrad. 



794. Dione astartiformis, Conrad. 



795. Dione imitabilis, Conrad. 



796. Dione sobrina, Conrad. 



797. Dione subimpressa, Conrad. 



Tellinidae. 



798. Gari lintea, Conrad. 



799. Gari papyria, Conrad. 



800. Gari mississippiensis, Conrad. 



801. Donax funerata, Conrad. 



802. Tellina vicksburgensis, Conrad. 



803. Abra mississippiensis, Conrad. 



804. Abra perovata, Conrad. 



805. Abra staminea, Conrad. 



MactridaB. 



806. Mactra mississippiensis, Conrad. 



Corbulldae. 



807. Corbula alta, Conrad. 



808. Corbula engonata, Conrad. 



809. Corbula interstriata, Conrad. 



810. Corbula laqueata, Conrad. 



Plioladidae. 



811. Pholameria triquetra, Conrad. 



Vicks. 



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Miss. 



Class GASTEROPODA. 



Cyllchuidae. 



812. Cylichna crassiplica, Conrad. 



Actaeonidae. 



813. Ringinella mississippiensis, Conrad. 



814. Actason Andersoni, Conrad. 



Deiitaliidae. 



815. Dentalium mississippiense, Conrad. 



Fissiii-ellidae. 



816. Fissurella mississippiensis, Conrad. 



Calyptraeidae. 



817. Trochita tetrica, Conrad. 



Vicks. 



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