Author: Wills, L.J., 1947.:
Title: A monograph of the British Triassic scorpions. [Mon. Palaeontogr. Soc.]
Description: London 1947. 4to, 27.7cm. Pp. vi,137,[25], numerous microphotos on 12 plates, 53 composite figs. in text, notes & refs. In two parts as issued, orig. wrappers. Fine. - Original printing, not the Johnson reprint. - With name of P.C. Sylvester Bradley on front cover of first part.

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