Cover image for Some skulls of Perchoerus (Thinohyus) from the White River and John Day Formations.
Title:
Some skulls of Perchoerus (Thinohyus) from the White River and John Day Formations.
Author:
Pearson, Helga S.
Personal Author:
Publication Information:
New York : By Order of the Trustees of the American Museum of Natural History, 1923.
Physical Description:
pages 61-96. 25 cm.
General Note:
Issued September 19, 1923.
Language:
English
Format :
Book