VI CONTENTS. 



PART III. NATURE AND ORIGIN OF THE SANTA CRUZ 



FAUNA WITH ADDITIONAL NOTES ON THE 



ENTELONYCHIA AND ASTRAPOTHERIA. 



By W. B. SCOTT. 



GEOLOGY OF PATAGONIA 193 



SANTA CRUZ VERTEBRATES . 201 



THE ORIGIN OF THE SANTA CRUZ FAUNA 218 



NOTE ON ADDITIONAL MATERIAL OF THE ENTELONYCHIA AND ASTRA- 

 POTHERIA 222 



Homalodontotherium Flower . . . . . . . . 223 



SYSTEMATIC POSITION OF THE ENTELONYCHIA 232 



Astrapotherium Burmeister ......... 234 



TAXONOMIC POSITION OF THE ASTRAPOTHERIA 238 



POSTSCRIPT 238 



INDEX 239 



ERRATA. 



Page 53, line 15: Strike out Tichodon. 



Page 60, line 25: For (Pis. XI, fig. 4, etc.) read (Pis. XI, fig. 8, etc.). 



Page 203, line 20: For (Plate G) read (Plate J). 



Page 212, line 12: For (PI. G) read (PI. J). 



line 20: For Plate H, read Plate G. 

 Page 213, line 9: For (Plate J) read (Plate H). ^ 



Page 217: after line 9: Insert Toxodontid^ (id). 



DATES OF PUBLICATION OF THE PARTS OF VOLUME VII. 



Pp. 1-156, Pll. I-XX, published October 12, 1910. 



Pp. 157-191, Pll. XXI-XXXV, published January 8, 1932. 



Pp. 193-238, Pll. A-K, published April 20, 1932. 



