Page:VCH Herefordshire 1.djvu/131

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MOLLUSCS B. PELECYPODA II. PROSOBRANCHIA Bitbynia tentaculata (Linn.). Fairly common Vivlpara vwipara (Linn.). Formerly abundant in canal near Hereford ; Canon Frome ; Munsley Valvata piscinalii (Mull.). Not uncommon — cristata. Mall. Garnons Park ; Tupsley Pomatias elegans (Mtlll.). Doward ; Dinmore ; Wool- hope district ; Mordiford Nerieina JluviatUis (Linn.). Wye, below Symond's Yat station ; Lugg at Hampton Bishop Dreissensia polymorfha (Pall.). Formerly abundant in the canal near Hereford ; canal at Canon Frome JJnio p'utorum (Linn.). ' Abundant in the Wye — tumidus, Retz. round Hereford and — margaritifer (Linn.).j elsewhere II. PROSOBRANCHIA {continued) Amdonta cygncea (Linn.). Abundant in the canal near Hereford and Belmont ; near Hunting- don, &c. Sph^rium rivicola (Leach). River VJy^ at Symond's Yat and near Rotherwas ; River Lugg at Mordiford ; River Frome at Longworth — corneum (Linn.). Occurs commonly — lacustre (Mall.). Near Shelwicic ; near Hol- mer ; Tupsley ; Grafton ; Staunton on Pisidium amnicum (MuU.). ) ,t ^ •;; ir-y Not uncommon — pusiUum (Gmel.). J — casertanum (Poli) =fintmale, auct.]. Local The correct identification of the two last species is questionable. 79