Pleistocene Ecosystem

Chapter 1.	Introduction
Chapter 2.	Facts about Ecosystems
Chapter 3.	Fossil-Bearing Sediments
Chapter 4.	Finding the Fossils
Chapter 5.	Identifying and Naming a new species
Chapter 6.	Determining Age and Origin
Chapter 7.	The Irvington Biota Data and Interpretation
Chapter 8.	Reconstruction Scenes in Time Past
Chapter 9.	Amateurs and Fossil-finding at Irvington
	Reference