On the External Characters of the Beaver (Castoridœ) and of some Squirrels (Sciuridœ)
Published in Proceedings of The Zoological Society of London, in 1922, in volume 1922, pages 1171-1212
Date published:1922
Published in Proceedings of The Zoological Society of London, in 1922, in volume 1922, pages 1171-1212
Date published:1922