Glass slides and plate negatives of collecting areas and diatoms, 1

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Approximately 116 glass slides and plate negatives possibly used for presentations. Images depict collecting localities (mostly Delaware River), a boat towing for diatoms, collecting equipment, diatoms (under microscope), and animals that feed on diatoms. Many are labeled. Images are undated; life dates of the creator were used.

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  • Plants
  • Diatoms
  • Botany


  • United States
  • Delaware River


  • Fieldbook record
  • Field notes
  • Glass negatives

Accession #

SIA RU007437

Collection name

Paul S. Conger Papers, 1926-1966

Physical Description

1 box

Physical Location

Smithsonian Institution Archives


Box 3