"The Coal Measures Amphibia of North America" by Roy Lee Moodie is a scientific publication written in the early 20th century. This work delves into the anatomy and taxonomy of early amphibians from the Coal Measures period, an examination that is pivotal for understanding the evolutionary history of land vertebrates in North America. It seeks to compile, analyze, and synthesize the findings related to various amphibian species discovered in fossil records across significant North American coal deposits. The opening of this publication outlines the significance of the study of Coal Measures amphibians, highlighting the challenges and discoveries that shape our understanding of the origin of land vertebrates. It discusses the rarity and significance of fossil specimens collected from various locations, such as Nova Scotia and Ohio, and notes how these findings contribute to the broader narrative of paleogeography and vertebrate evolution. Moodie emphasizes the importance of collaboration among scientists in different disciplines to enhance the study of these ancient creatures, setting the stage for a detailed examination of the morphology, classification, and historical context of the amphibian fauna present during this transformative period in Earth's history. (This is an automatically generated summary.)