Books

London: William Clowes and Sons, Limited for John Murray 1892. 8vo. Original green cloth, boards with blind-ruled borders and panelled in blind, gilt spine, dark-brown endpapers; pp. viii, 394, 7 heliotype plates and 21 black and white figures to text; previous owner's signature to prelim, partially uncut, internally bright with very clean plates, very good. Eleventh thousand. The author did not live to see the first edition of the present work sell out, and the task of editing the second edition fell to his son Francis. Amendments and additions were drawn from notes already prepared by his father, who had utilised primary sources and the expertise of colleagues rather than self-gathered research. The work is a refutation of contemporary arguments that facial muscles were possessed uniquely by man, and so although perhaps unfamiliar territory for the author, is accepted as an important part of Darwin's account of evolution. DSB states that: "with this book Darwin founded the study of ethology (animal behaviour) and conveyance of information (communication theory) and made a major contribution to psychology" (III, p. 575). Freeman 1149.

In this seminal work, Charles Darwin examines the genetic similarities among humans and animals, providing insights into the biological origins of their emotions.