The salamander, Amblystoma tigrinum melanosticum, adults and larvae used in this study were collected in the Jackson Hole area. Project Number 92.
Roofe, Paul G.
"Vascularity of the Brain of Amblystoma,"
Jackson Hole Research Station Annual Report: Vol. 1958
, Article 13.
Available at: http://repository.uwyo.edu/jhrs_reports/vol1958/iss1/13