BEESTON AND WRIGHT : MOLLUSCA OF II.FRACOMBE. 8l 



H. lapicida (Linnd). — Very common on stone walls after rain. 

 Var. albina (Menke). — The percentage of this variety worked 

 out 3^3%. 



Buliminus obscurus (Miiller). — Not very numerous. 



*Pupa cylindracea (DaCosta). — Extremely common on stone 

 walls with H. lapicida. 



Clausilia bidentata (Strom).— Ubiquitous. 

 Var. tumidula (Jeff.). — A few found with type. 



VI. — Barnstaple (to South). 



Helix aspersa (Miiller). — Type, fairly common. 



Var. undulata (Moq.). — One or two shells only. 

 H. nemoralis (Linn^). — 



Var. rubella (Moq.). — 00300 (one specimen). Also at Bishop's 

 Tawton. 



H. hortensis (Miiller). — Fairly common. 



Bandings 00300 (rare form), 12045, "345, 1:345, T2345. 



H. rufescens (Pennant). — Fairly abundant. 



Var. alba (Moq.). — One specimen. 

 H. virgata (DaCosta). — 



Var. alba (Taylor). — Along left bank of river Taw. 

 *H. granulata (Alder)— Plentiful, but local, of very fine size. 

 *H. hispida (Linnd). — Common. 



Var. depilata (Alder). — Odd specimens. 



Var. albida (Jeff.). — One specimen found with H.fusca. 

 *H. fusca (Montagu). — Not abundant ; very fine specimens found 

 near Anchor Wood. 



H. arbustorum (Linm^). — Scarce; found near Anchor Wood. 

 *Succinea elegans (Risso). — Found in wet ditch at foot of 

 Anchor Wood. 



*S. putris (Linnd). — Found in wet ditch at foot of Anchor Wood. 



Limnaea peregra (Miiller). — Found in wet ditch at foot of 

 Anchor Wood. 



*Aplexa hypnorum (Linnd). — Found in wet ditch at foot of 

 Anchor Wood. 



*Planorbis vortex (Linn^). — Found in wet ditch at foot of 

 Anchor Wood. 



*Unio margaritifer (Linne). — Common in river Taw at New 

 bridge near Bishop's Tawton. 



*Paludestrina jenkinsi (Smith). — Found in vast numbers on 

 the mud and weeds of river Yeo ; so thickly clustered together are 



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