Field notes of Harry K. Harring kept during collecting trips to Washington, D.C., Maryland, and Virginia, 1910-1915

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This field book contains lists of fresh water zooplankton, especially Rotifera, that Harring took at various locations between 22 January 1910 and 6 June 1915 in the District of Columbia, Virginia, and Maryland. An annotated map of the Potomac River and Chesapeake Bay is inserted after the last field book entry. No collector numbers are provided. "Common" or "few" is marked next to names of species starting from 1912. Localities include but are not limited to "Power House", "Lenna Pond", Potomac River, "the Tidal Basin", Four-Mile Run, Kenilworth, and Hyattsville.

Date Range


Start Date

Jan 22, 1910

End Date

Jun 06, 1915

Access Information

Many of SIA's holdings are located off-site, and advance notice is recommended to consult a collection. Please email the SIA Reference Team at


  • Freshwater zooplankton
  • Invertebrates


  • Hyattsville
  • District of Columbia
  • Potomac River
  • United States
  • Maryland
  • Virginia


  • Fieldbook record
  • Field notes

Accession #

SIA RU007237

Collection name

Harry K. Harring Papers, 1910-1923, 1929 and undated

Physical Description

1 field book

Physical Location

Smithsonian Institution Archives


Box 2 Folder 1