Columbia subject headings:
Harvard subject headings:
Beagle Expedition (1831-1836)
Mammals, Fossil.
Paleontology--South America
Zoology--South America.
Zoology.
Princeton subject headings:
Beagle Expedition (1831-1836)
Mammals, Fossil.
Paleontology--South America.
Zoology--South America.
Zoology.