3n, THE NATURAL HISTORY OF BRITISH SHELLS, INCLUDING FIGURES and DESCRIPTIONS OF ALL THE HITHERTO DISCOVERED SPECIES IN GREAT BRITAIN, SYSTEMATICALLY ARRANGED IN THE LINNEAN MANNER, AND GENERAL OBSERVATIONS ON EACH, SCIENTIFIC -^aS^^^P2^By E DONOVAN, F.L.S, AUTHOR OF THE NATURAL HISTORIES OF 5^^ BRITISH BIRDS, INSECTS, &C &C LONDON: PRINTED FOR THE AUTHOR, F AND BY C AND FOR RIVINGTON, No 6a, ST PAUL'S CHURCH- YARD, BYIi AND LAW, ST JOHN'S SQUARE, CLER KEN WELL 18)1 V