es argots des metiers franco-provencaux._ Paris,
1917.

(15) Leland, Charles G. _The English Gypsies and Their Languages._ 4th
ed. New York, 1893.

(16) _Dictionnaire des termes militaires et de l'argot poilu._ Paris,
1916.

(17) Empey, Arthur Guy. _Over the Top._ By an American soldier who went,
Arthur Guy Empey, machine gunner, serving in France; together with
Tommy's dictionary of the trenches. New York and London, 1917.

(18) Smith, L. N. _Lingo of No Man's Land; or, War Time Lexicon._
Compiled by Sergt. Lorenzo N. Smith. Chicago, 1918.

(19) Saineanu, Lazar. _L'Argot des tranchees._ D'apres les lettres
des poilus et les journaux du front. Paris, 1915.

(20) Horn, Paul. _Die deutsche Soldatensprache._ Giessen, 1905.

IV. IMITATION AND SUGGESTION

A. _Imitation_

(1) Bagehot, Walter. _Physics and Politics; or, Thoughts on the
Application of the Principles of "Natural Selection" and "Inheritance"
to Political Society._ New York, 1873.

(2) Tarde, Gabriel. _The Laws of Imitation._ Translated from the 2d.
French ed. by Elsie Clews Parsons. New York, 1903.

(3) Baldwin, James M. _Mental Development in the Child and the Race._
Methods and processes. 3d. rev. ed. New York, 1906.

(4) ----. _Social and Ethical Interpretations in Mental Development._ A
study in social psychology. 4th ed. New York, 1906.

(5) Royce, Josiah. _Outlines of Psychology._ An elementary treatise with
some practical applications. New York, 1903.

(6) Henderson, Ernest N. _A Text-Book in the Principles of Education._
Chap. xi, "Imitation." New York, 1910.

(7) Thorndike, E. L. _Educational Psychology._ Vol. I., The Original
Nature of Man. Chap. viii, pp. 108-22. New York, 1913.

(8) Hughes, Henry. _Die Mimik des Menschen auf Grund voluntarischer
Psychologie._ Frankfurt a. M., 1900.

(9) Park, Robert E. _Masse und Publikum._ Eine methodologische und
soziologische Untersuchung. Chap. ii, "Der soziologische Prozess,"
describes the historical development of the conception of imitation in
its relation to sympathy and mimicry in the writings of Hume, Butler,
and Dugald Stewart. Bern, 1904.

(10) Smith, Adam. _The Theory of Moral Sentiments._ To which is added a
dissertation on the origin of languages. London, 1892.

(11) Ribot, T. _The Psychology of the Emotions._ Part II, chap. iv,
"Sympathy and the Tender Emotions," pp. 230-38. Translated from the
French, 2d ed. London, 1911.

(12) Dewey, John. "Imitation in Education," _Cyclop