J. PIERPONT MORGAN PUBLICATION FUND 



REPORTS OF THE 



PRINCETON UNIVERSITY EXPEDITIONS TO PATAGONIA 



1896- 1899 



VOLUME IV 



PALAEONTOLOGY I 



PART I THE MARINE CRETACEOUS INVERTEBRATES 



BY 

 TIMOTHY WILLIAM STANTON 



UNITED STATES NATIONAL MUSEUM 



PART II TERTIARY INVERTEBRATES 



BY 

 ARNOLD EDWARD ORTMANN 



PRINCETON UNIVERSITY 



PART III MAMMALIA OF THE SANTA CRUZ BEDS. MARSUPIALIA 



BY 

 WILLIAM JOHN SINCLAIR 



PRINCETON UNIVERSITY 



PRINCETON, N. J. 



THE UNIVERSITY 



STUTTGART 



SCHWEIZERBART'SCHE VERLAGSHANDLUNG (E. NAGELE) 



