CHIGGERS OF THE GENUS EUSCHONGASTIA (ACARINA: TROMBICULIDAE) IN NORTH AMERICA.
[Offprint from the Proceedings of the United States National MuseumVol. 106]. Pp. 85-235, 21 plates, text figures, bibliography; med. 8vo; printed paper wrappers; uncut, partly unopened; Smithsonian Institution, Washington, D.C., 1956. Item #081675
Price: $30.00
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