"A History of Matrimonial Institutions, Vol. 2 of 3" by George Elliott Howard is a scholarly historical account written in the early 20th century. The work analyzes the development of matrimonial institutions primarily in England and the United States, examining the literature and theories surrounding primitive marriage and family structures. It aims to provide a comprehensive understanding of marital laws and customs through the ages. The opening of this volume delves into the history of separation and divorce under English and ecclesiastical law, detailing various historical influences on marriage practices. It outlines the early Christian doctrines concerning divorce, the perspectives of early church fathers, and legal transitions through Roman law, highlighting the complexities and evolving notions regarding the indissolubility of marriage. By emphasizing both the legal frameworks and societal attitudes, Howard sets the stage for a deeper exploration of how historical precedents shaped contemporary perceptions of marriage and divorce. (This is an automatically generated summary.)