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A History of the County of Somerset
… ZOOLOGY MOLLUSCS NON-MARINE Favoured in its situation and the quality of its soil, the county of Somerset yields a record of inland … grayana. The last named form is strictly confined to the Thames estuary, and its occurrence in a Somerset list …
A History of the County of Somerset
… further search will do much more than extend our knowledge of the distribution throughout the county of the species … recorded in the subjoined list, and add a few species to it. Two or three species not yet obtained certainly await …