Author: Jackson, R. T.
Title: Phylogeny of the Echini with a revision of Palaeozoic species.
Description: Boston, MA, Boston Society of Natural History, 1912. Large 4to. 490 pp.; 76 engraved plates. Original printed wrappers. = Fine monograph on the sea urchins with many new taxa, published in the Society's Memoirs. Uncut. Wrappers of inferior paper detached and chipped at edges, and spine cover perished, as often. Volume title and volume contents page with a tear; all the leaves belonging to the work proper, however, only with some wear to the edges, also as usual with uncut copies. In all a very good, clean and unmarked copy.

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