A short time during Septemeber was spent in collecting additional reproductive and pelage data for the life history study of Microtus richardsoni macropus. Also live specimens were collected and sent to Dr. Robert Matthey, University de Lausanne, Lausanne, Switzerland for his use in behavior and chromosome studies. Project Number 87.
Negus, Norman C.
"Life History of Microtus richardsoni macropus,"
Jackson Hole Research Station Annual Report: Vol. 1957
, Article 11.
Available at: http://repository.uwyo.edu/jhrs_reports/vol1957/iss1/11