Duncan's specimen log

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The field book documents the mammal collecting of J. F. Duncan, November 22, 1967 - April 5, 1968. Entries are dated and headed with location, collecting method (quantity, type), specimen number (JFD1 - JFD69), type, 4 measurements, sex, specimen preparation, notes on chromosome prep and blood slides. Locations are across Viet Nam including Côn So'n Island and Nui Naa Bah(?). There are descriptive narratives covering specimens collected and collecting events. These include observed flora and fauna, interactions with local inhabitants and colleagues, daily work and time of day, collecting method (bait, type, quantity). There are references to Van Peenan. A portion of the notebook is blank. Specimens were also collected in Dahlgren, Virginia.

Date Range


Start Date

Nov 22, 1967

End Date

Apr 05, 1968

Access Information

At least 24 hours advance notice is recommended to consult this collection. Contact the Division of Mammals at 202-633-1253 to make an appointment.




  • Viet Nam
  • Dahlgren
  • United States
  • Virginia
  • South Vietnam


  • Fieldbook record
  • Field notes

Accession #

SIA Acc. 12-456

Collection name

John F. Duncan field book, Division of Mammals, 1967 - 1968

Physical Description

1 field book

Physical Location

National Museum of Natural History (U.S.). Division of Mammals