Animal Intelligence: The International Scientific Series, Vol. XLIV.

A scientific publication written in the late 19th century. The book explores the phenomenon of animal intelligence through a systematic analysis of various animal species, aiming to create a comprehensive overview of comparative psychology. Romanes seeks to establish a foundational understanding of how different animals exhibit cognitive abilities, thereby shedding light on the evolutionary links with human intelligence. The opening of the text provides insight into the author's intentions and the structure of the work. Romanes expresses his objective of compiling extensive information on animal intelligence, specifically emphasizing the importance of integrating credible observations while navigating the challenges of anecdotal evidence in this field. He outlines his methodology, detailing how he categorizes animal behavior and intelligence based on both anecdotal and scientifically verified cases. This introduction establishes a serious and analytical tone for the exploration of the mental faculties of various species, setting the stage for a detailed, evidence-based examination of animal psychology in the subsequent chapters.