J. PIERPONT MORGAN PUBLICATION FUND 
_ 
Reports of 
he Princeton University Expeditions 
\ . • 
to Patagonia, 1896-1899 
-* * '' 1 ' ' v , . r 'i. I . r m ' . - 
- 
J. B. HATCHER in Charge 
EDITED BY 
WILLIAM B. SCOTT 
BLAIR PROFESSOR OF GEOLOGY AND PALAEONTOLOGY, PRINCETON UNIVERSITY 
VOLUME IV — PALAEONTOLOGY 
PART II— TERTIARY INVERTEBRATES 
BY 
A. E. ORTMANN, Ph.D. 
* • 
PRINCETON UNIVERSITY 
(Pages 45-332, Plates XI-X^XIX) 
PRINCETON, N. J. 
The University 
STUTTGART 
E. Schweizerbart’sche Verlagshandlung (E. Nagele) 
