On the External Characters of the Beaver (Castoridœ) and of some Squirrels (Sciuridœ)
Pocock, R. I. (Reginald Innes), 1863-1947
Article
1922
Proceedings of the Zoological Society of London
1171--1212
BioStor
English
London Academic Press, [etc.] 1833-1965
BioStor: https://biostor.org/reference/107280 DOI: https://doi.org/10.1111/j.1469-7998.1922.tb07099.x