"The Religion of Ancient Rome" by Cyril Bailey is a historical account written in the early 20th century. This work delves into the beliefs, practices, and rituals of ancient Roman religion, focusing on its origins and characteristics distinct from later developments influenced by foreign cultures. The book aims to explore the foundational aspects of the native Roman religion, particularly what is often referred to as the "Religion of Numa." The opening of the text establishes the idea that understanding early Roman religion requires stripping away layers of later influences and considering its indigenous components. Bailey begins by drawing parallels between the study of Roman religion and archaeological reconstruction, emphasizing the necessity of comprehending the native beliefs before they were altered by external ideas. He highlights the importance of primary sources such as remaining inscriptions and ancient rituals to tease out the authentic spiritual structure of early Rome, which he plans to examine throughout the chapters that follow. The introduction serves as a foundation for a deeper exploration of key aspects of this ancient faith, such as household worship, agricultural practices, and the spiritual understanding of natural phenomena. (This is an automatically generated summary.)