Abstract
MR. WALLACE'S theory that chalk was deposited in comparatively shallow water requires careful examination before it is accepted by geologists. I do not think he has given sufficient evidence to bear out his views which are necessary to his theory of continents.
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References
"Specimen photographicum." Verona, 1859. Plate xxi.
Actually described as Araucarites, a useless modification in this instance.
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CARVALHO, S. Chalk. Nature 23, 194 (1880). https://doi.org/10.1038/023194a0
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DOI: https://doi.org/10.1038/023194a0
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