93 



A LIST 



OF 



LAND AND FEESHWATER SHELLS 



FOUND 



AT AND NEAR REPTON. 



AQUATIC. 



CLASS I.— CONCHIFERA OR BIVALVES. 



Order.— LAMELLIBRANCHIATA. 



Family I— SPH^RIID^. 

 SPH^RIUM. 



corneum. Linn. Willington Canal, etc. 



var. flavescens. Macgil. Bretby Park Ponds, 



rivicola. Leach. Willington Canal, 



ovale. Fer. River Trent — rare. 



PISIDIUM. 



amnicum. Mull. Old Trent, etc. 



fontinale. Drap. Trent at Newton Solney. 



var. pulchellum. Jenyns. River Trent. 



pusillum. Gmelin. Willington Pits. 



