Darwin, C. (1872). Concluding remarks and summary. In C. Darwin, The expression of the emotions in man and animals (pp. 348-367). London, England: John Murray.
http://dx.doi.org/10.1037/10001-014
Discuses the three leading principles which have determined the chief movements of emotional expression in man and animals. The inheritance of these expressive movements is addressed. The part which the will and intention have played in the acquirement of various expressions is also addressed. The instinctive recognition of expression and the importance of expression are discussed. The bearing of this subject on the specific unity of the races of man and the successive acquirement of various expressions by the progenitors of man are addressed. (PsycINFO Database Record (c) 2016 APA, all rights reserved)