Gregory, W. (1857) On the post-Tertiary Diatomaceous sand of Glenshira Part II. Containing an account of a number of additional undescribed species.[Continuation of the 1856 paper]
Transactions of the Microscopical Society of London 5: 67-88, with one plate (I).

Only plate (high resolution)
Magnification of original drawings not specified.      Figure_Legend (opens in a new resizable window).

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