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 front wrapper. = Fine monograph on the sea urchins with many new taxa, published in the Society's Memoirs. However first 16 text pages lacking a 2 cm strip at the top and right (outer) margin. Front wrapper trimmed, edges repaired. Some text pages paper slightly brittle too but still very well readable and the plates are fine.

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