Audio File   THE LAST GREAT MAMMALIAN MIGRATION This is the period of preglacial land elevation in North America, Europe, and Asia. The land was greatly altered in topography. Mountain ranges were born, streams changed [More]
Audio File THE AGE OF EARLY MAMMALS   50,000,000 years ago, the land areas of the world were very generally above water or only slightly submerged. The formations and deposits of this period are both land [More]
Audio File   Throughout the glacial period, other activities were in progress, but the action of the ice overshadows all other phenomena in the northern latitudes. No other terrestrial activity leaves such characteristic evidence on [More]
Audio File THE AGE OF ADVANCED MAMMALS This period was characterized by the further and rapid evolution of placental mammals, the more progressive forms of mammalian life developing during these times. Although the early placental [More]
Audio File   The great event of this glacial period was the evolution of primitive man. Slightly to the west of India, on land now under water and among the offspring of Asiatic migrants of [More]
Audio File   The story of the ascent of our human race from seaweed to the lordship of earthly creation is indeed a romance of biologic struggle and mind survival. Our primordial ancestors were literally [More]
Audio File   About one million years ago the immediate ancestors of us human beings made their appearance by three successive and sudden mutations stemming from early stock of the lemur type of placental mammal. [More]
Audio File   The era of mammals extends from the times of the origin of placental mammals to the end of the ice age, covering a little less than fifty million years. During this Cenozoic [More]
Audio File     THE SEED-PLANT PERIOD        THE AGE OF BIOLOGIC TRIBULATION   This period marks the end of pivotal evolutionary development in marine life and the opening of the transition period leading [More]
Audio File   THE AGE OF BIRDS   The great Cretaceous period derives its name from the predominance of the prolific chalk-making foraminifers in the seas. The period brings Urantia to near the end of the [More]