The skull of Pyrotherium sorondoi Ameghino. ⅛ natural size.
[See page 175.]
The Deseado Formation
of Patagonia
Frederic Brewster Loomis, Ph.D.
Professor of Comparative Anatomy
Amherst College
EIGHTH AMHERST EXPEDITION
1911
PUBLISHED UNDER THE AUSPICES OF
THE TRUSTEES OF AMHERST COLLEGE
1914
Copyright, 1914
By Frederic B. Loomis