Mental Evolution in Animals : Kessinger Publishing : 9781432618483 : 1432618482 : 25 Jun 2004 : Mental Evolution in Animals is a book written by George John Romanes, which explores the concept of intelligence and cognitive abilities in animals. The book is divided into three parts, each of which focuses on a different aspect of mental evolution. The first part of the book discusses the evolution of the nervous system in animals, and how this has led to the development of higher cognitive functions. Romanes examines the different types of nervous systems found in animals, and how they have evolved to enable animals to process information and respond to their environment.The second part of the book looks at the mental abilities of different animal species, including mammals, birds, and insects. Romanes examines how these animals use their cognitive abilities to solve problems, communicate with each other, and adapt to changing environments.The third and final part of the book explores th