This is a print on demand publication. The American Museum of Natural History collection of fossil vertebrates from the Siwalik beds of northern India was made during the year of 1922 by Dr. Barnum Brown. Contents of this vol.: (I) Introduction: Previous Publications Dealing with American Museum Siwalik Vertebrates; and Historical Review; (II) Geological Considerations; (III) Mammalian Faunas of the Siwalik Series; (IV) American Musem Siwalik Fossil Localities; (V) Systematic Descriptions and Discussions: Primates; Rodentia; Lagomorpha; Carnivora; Tubulidentata; Proboscidea; Perissodactyla; Artiodactyla; The Migrations of Certain Mammals to and from the Siwaliks; (VI) Generaly Summary and Conclusions. Bibliography. 198 plates.