R. B. Rickards, J. E. Hutt &amp; W. B. N. Berry 1977. Evolution of the Silurian and Devonian Graptoloids. Bulletin British Museum (Natural History) Geology, Volume 28, number 1. 120 pp., 55 text-figures, 6 pls. London. Price £11.90. ISSN 0007 1471.

D. J.

doi:10.1017/S0016756800037456

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R. B. Rickards, J. E. Hutt & W. B. N. Berry 1977. Evolution of the Silurian and Devonian Graptoloids. Bulletin British Museum (Natural History) Geology, Volume 28, number 1. 120 pp., 55 text-figures, 6 pls. London. Price £11.90. ISSN 0007 1471.

Volume 115, Issue 5
D. J.
DOI: https://doi.org/10.1017/S0016756800037456

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R. B. Rickards, J. E. Hutt & W. B. N. Berry 1977. Evolution of the Silurian and Devonian Graptoloids. Bulletin British Museum (Natural History) Geology, Volume 28, number 1. 120 pp., 55 text-figures, 6 pls. London. Price £11.90. ISSN 0007 1471.

Volume 115, Issue 5
D. J.
DOI: https://doi.org/10.1017/S0016756800037456

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R. B. Rickards, J. E. Hutt & W. B. N. Berry 1977. Evolution of the Silurian and Devonian Graptoloids. Bulletin British Museum (Natural History) Geology, Volume 28, number 1. 120 pp., 55 text-figures, 6 pls. London. Price £11.90. ISSN 0007 1471.

Volume 115, Issue 5
D. J.
DOI: https://doi.org/10.1017/S0016756800037456

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R. B. Rickards, J. E. Hutt & W. B. N. Berry 1977. Evolution of the Silurian and Devonian Graptoloids. Bulletin British Museum (Natural History) Geology, Volume 28, number 1. 120 pp., 55 text-figures, 6 pls. London. Price £11.90. ISSN 0007 1471.

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R. B. Rickards, J. E. Hutt & W. B. N. Berry 1977. Evolution of the Silurian and Devonian Graptoloids. Bulletin British Museum (Natural History) Geology, Volume 28, number 1. 120 pp., 55 text-figures, 6 pls. London. Price £11.90. ISSN 0007 1471.

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