I.—A Memoir on the Palæozoic Retigulate Sponges constituting the Family Dictyospongidæ. By James Hall, State Geologist and Palæontologist, in collaboration with John M. Clarke, Assistant State Geologist and Palæontologist. Imp. 4to; pp. 350, plates lxx and 45 figures in the text. (University of the State of New York, 1898.)

G. J. H.

doi:10.1017/S001675680018313X

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I.—A Memoir on the Palæozoic Retigulate Sponges constituting the Family Dictyospongidæ. By James Hall, State Geologist and Palæontologist, in collaboration with John M. Clarke, Assistant State Geologist and Palæontologist. Imp. 4to; pp. 350, plates lxx and 45 figures in the text. (University of the State of New York, 1898.)

Volume 7, Issue 5
G. J. H.
DOI: https://doi.org/10.1017/S001675680018313X

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I.—A Memoir on the Palæozoic Retigulate Sponges constituting the Family Dictyospongidæ. By James Hall, State Geologist and Palæontologist, in collaboration with John M. Clarke, Assistant State Geologist and Palæontologist. Imp. 4to; pp. 350, plates lxx and 45 figures in the text. (University of the State of New York, 1898.)

Volume 7, Issue 5
G. J. H.
DOI: https://doi.org/10.1017/S001675680018313X

To save this article to your Google Drive account, please select one or more formats and confirm that you agree to abide by our usage policies. If this is the first time you used this feature, you will be asked to authorise Cambridge Core to connect with your Google Drive account. Find out more about saving content to Google Drive.

I.—A Memoir on the Palæozoic Retigulate Sponges constituting the Family Dictyospongidæ. By James Hall, State Geologist and Palæontologist, in collaboration with John M. Clarke, Assistant State Geologist and Palæontologist. Imp. 4to; pp. 350, plates lxx and 45 figures in the text. (University of the State of New York, 1898.)

Volume 7, Issue 5
G. J. H.
DOI: https://doi.org/10.1017/S001675680018313X

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