LAND AND FRESH WATER SHELLS. 359 



Caryehium minimum. Frequent in wet places in the south. 



Piano rb is nautileus. Amongst Callitriche in stream crossing the Vale Road. 



Ivy Castle marshes. 

 P. SpiPOFbiS. Common. 



Var. ecarinata. Quarry pool at Spur Point. Ditch in field at Cobo ; Miss 



Dawber. 



P. vortex. Ivy Castle marshes. Vrangue millpond. 



Bullinus (Physa) hypnOPUm. Generally distributed throughout the low- 

 lands ; usually plentiful where it occurs. 

 Limnsea pePegra. Very common in the lowlands. 



Var. infiata. Millpond below l'Echelle, Talbots Valley. A smaller form 



in Vrangue millpond. 

 Var. ovata. Pond by Fort Doyle. 

 Var. pulcheUa. Ditch near Hougue du Pommier. 

 L. palustris. Occurs in many pools and ditches at the Vale and St. Samp- 

 son's. Grande Mare. Cobo. Talbots Valley. 

 L. tPUneatula. Generally distributed throughout the island, but seldom in 

 any numbers. 

 Var. minor. Saints' Bay valley. 

 Var. ekgans. Grande Mare. 

 Aneylus fluviatilis. Common in streamlets in the south. Perelle. 



Var. albida. Fermain Lane, in a spring. Bon Repos Cove, under the 

 cascade. 

 SphaePium COPneum. A small variety of this occurs plentifully in the 



ditches behind Ivy Castle. 

 S. laeustPe. Roadside pool near the Hermitage, l'Ancresse. 

 Pisidium pusillum. Echelle Mill, Talbots Valley, one specimen among 

 wet mosses. 



P. nitidum. Grande Mare, one specimen. 



