On the Geographical Races of the Rocky-Mountain Bighorn
Biddulph, J. (John), 1840-1921
Article
1885
Proceedings of the Zoological Society of London
678--684
BioStor
English
London Academic Press, [etc.] 1833-1965
BioStor: https://biostor.org/reference/108322 DOI: https://doi.org/10.1111/j.1469-7998.1885.tb07874.x