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MUSEUM NOTES.
Vallonia pulchella, Müller.
Helicigona lapicida, Linné.
Helix nemoralis, Linné.
Helix hortensis, Müller.
Family—Pupidae.
Pupa muscorum, Linné.
Vertigo moulinsiana.
Family—Stenogyridae.
Cochlicopa lubrica, Müller.
Azeca tridens, Pulteney.
Family—Succineidae.
Succinea putris, Linné. W. H. D.
Basommatophora.
Family—Auriculidae.
Carychium minimum, Müller.
Family—Limnaeidae.
Limnaea auricularia, Linne.
Limnaea pereger, Müller.
Limnaea stagnalis, Linné. J. W. K.
Planorbis albus, Müller.
Planorbis marginatus, Drap. W. H. D.
This shell is recorded by Messrs. Kennard and Woodward
upon the authority of John Brown, as they were unable to trace
specimens.
Family—Physidae.
Physa fontinalis, Linne. J. W. K.
PROSOBRANCHIATA.
Monotocardia.
Family—Hydrobiidae.
Paludestrina ventrosa, Montagu.
Paludestrina marginata, Michaud.
Bythinia tentaculata, Linné.
Vivipara clactonensis, Wood. J. W. K. The most
interesting addition is a series of shells of this species. Three
specimens only have been previously recorded, two of which,
described and figured by Mr. S. V. Wood, have been traced to
the Woodwardian Museum at Cambridge by Messrs. Kennard
and Woodward. See their paper, already cited (E. N., x, p. 99).
Family—Valvatidae.
Valvata piscinalis, Müller.