LITERATURE CITED 



1. CoovER. Formal Discipline from the Standpoint of Experimental Psychology. 



Psych. Rev. Man. Sup., Vol. 20, No. 3, pp. 224 ff. 



2. Yerkes. Dancing Mouse, p. 262. 



3. Thorndike. Animal Intelligence. 



4. Richardson. A Study of Sensory Control in the Rat. Psych. Rev. Mon. Sup.. 



Vol. 12, No 1. 



5. Yoakum. Some Experiments upon the Behavior of Squirrels. Jour. Compar. 



Neurology and Psych., Vol. 19, p. 514. 



6. Hunter. Some Labyrinth Habits of the Domestic Pigeon. Jour. Animal 



Behav., Vol. I. 



7. BOGARDUS and Henke. Jour. Animal Behav., Vol. I, pp. 125-137. 



8. Angell. Psychology, p. 261. 



9. Gore. Article in Dewey's ' Studies in Logical Theory.' 



10. Hunter. Auditory Sensitivity in the White Rat. Jour. Animal Behav., Vol. 



V, pp. 312-330. 



11. Watson. Behavior, p. 272. 



12. Op. Cit. (No. 3). 



13. Op. Cit. (No. 7). 



14. Vincent. White Rat and Maze Problem. Jour. Animal Behai., Vol. V, pp. 



1-24, 140-158, 175-185. 



