IWM^Kr.L: THR LAMn AND FRESHWATER >fOI.LUSCA OF SURREY. 177 



L. auricularia (L.). 2— Richmond (C.H.D.); Barnes (E.S.); 

 4— Frimley, Basingstoke Canal (K.McK.); 6— Bramley, Surrey and 

 Sussex Canal (K.McK.); ro— Earlswood (K.McK.). 

 V. gibbosa Taylor. 6 —Guildford, R. Wey (C.P.). 

 L. stagnalis (L.). i — Ockham (S.L.E.S., 1899, p. 100); 2— 

 Putney, Barnes (E.S.); Richmond (C.H.D.); 4— Woking (E.S.); 6— 

 Frensham Pond (E.W.S.). 



monst. decollatum. 2 — Barnes (C. D. A. Cockerell, S.G., 

 1885, p. 76). 



L. palustris (Miill.). r— Ockham (S.L.E.S., 1899, p. 100); 

 Wisley (S.L.E.S., 1895, p. 88); 2— Putney (S.G., 1885, p. 76); 

 Barnes (C.H.D.); 11— Aldfold, Surrey and Sussex Canal (E.W.S.). 



V. conica Jeffr. 2— Putney (K.McK.); R. Thames (S.G., 1885, 

 p. 180). 



monst. decollatum Jeffr. 2 — Barnes (S.G., 1885, p. 76). 

 L. truncatula (xMiilL). i — Fetcham Common (K. McK.); 2 — 

 Barnes Common, Richmond (C.H.D.); 10 — Oxted (K.McK.); 11 — 

 Aldfold, Surrey and Sussex Canal (E.W.S.). 

 V. minor Moq. 8 — Haslemere (C.P.). 

 V. albida Jeffr. (S.G., 1885, p. 181). 

 L. glabra (Miill.). 2 — Barnes (C.H.D.); 10 — Hedgecourt 

 Common (K.McK.). 



Ancylus fluviatilis Mull. 2— Barnes (E.S.); 7— Wotton (E.S.); 

 8— Haslemere, Camels Dale (C.P.); 10 — Limpsfield (K.McK.). 



Velletia lacustris (L.). i — Byfleet (E.S.); 2— Leatherhead, 

 R. Mole (K.McK.); ir— Aldfold, Surrey and Sussex Canal (E.W.S.). 

 Cyclostoma elegans (Miill.). i — Ranmore (E.S.); 6 — Guild- 

 ford (C.P.); 9-Caterham (C.H.D.); Croydon (S.G., 1883, p. 212); 

 Epsom, Headley (E.S.); 10— Betchworth (E.S.); Reigate (S.L.E.S., 

 1895, p. 22). 



V. marmorea Brown. 6— Guildford (C. P.); 10 — Limpsfield. 

 V. albescens Des MouUns. 6 — Guildford (C.P.). 

 Acicula lineata (Drap.). 9— Gatton (K.McK.). 

 Neritina fluviatilis (L.). i — Weybridge, R. Thames (K.McK. 

 and J.E.C.); 2 — ^Richmond, R. Thames (C. H.D.). 



Viviparus COntectus (Millet). 2 — Kew Gardens (E.S.); 10 — 

 Flandford, near Reigate (Mr. E. Saunders some years ago) (K.McK.). 

 V. viviparus (L.). i— R. Wey (K.McK.); Molesey, Byfleet 

 (E.S.); ^2— Richmond (E.S.); 4— Basingstoke Canal (K.McK.); 

 Woking (E.S.); 1 1 — Surrey and Sussex Canal (K.McK.). 

 V. efasciata. i — Richmond. 

 Bythinia tentaculata (L.). i— Byfleet (E.S.); 2— Richmond, 

 Barnes (C.H.D.); Putney Heath (E.S.); 4— Woking (E.S.); 8— 

 Haslemere (C.P.); 11— Aldfold, Surrey and Sussex Canal (E.W.S.). 



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