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Brown morphs of Cepaea hortensis (the 'white-lipped' species) are not so common, but I have encountered them just west of Salcombe in Devon (see Evolution Megalab 'current records'), where I also noticed that the lip seems to be slightly darkened in association with the brown colour, though still being relatively pale. These browns are, I understand, almost invariably unbanded and are most frequent in the more northwesterly parts of the species range.
Thanks Peter. Could you please have a look at http://www.ispot.org.uk/node/288082?nav=users_observations ?
I think its also Cepaea hortensis but I haven't had any confirmation. What do you think?
Lat/Lng: 54.70152, -1.67966
OS grid ref: NZ207341