On the Cladophora (Hopk.) or dendroid graptolites collected by Professor Keeping in the Llandovery rocks of Mid Wales
By: by Chas. Lapworth....
Publisher: s.n.
Published: 1881
Place of publication: [London
Language: eng
Number of pages: 177
Subjects: Keeping, Walter.; Cladophora.; Geology -- Wales.; Graptolites.
Notes: From head of title: "[From the Quarterly Journal of the Geological Society for May 1881]".

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