THE PSYCHOLOGY OF ANIMAL PLAY. 307 



teen times. When he awoke. Dr. Moll engaged him in 

 lively conversation, while I clapped my hands softly, 

 and at irregular intervals, fifteen times. Being asked 

 then whether he had heard my hands striking together, 



D denied it, and, besides, asserted that he did not 



know what he was to do after the seventeenth clap; 

 but as soon as it sounded he automatically obeyed the 



order.^^ To this is added: " As D had declared 



that he did not know of the clapping, we put a pencil 

 in his hand with the remark that the hand would write 

 how many times I had clapped. D laughed in- 

 credulously, Avent on with his conversation, and did 

 not notice that the pencil wrote ^ 15 ^ with slow strokes 

 — indeed, he would not admit afterward that he had 

 done it." * 



I follow up this simple instance with a very re- 

 markable one. Pierre Janet made the following ex- 

 periment with his subject Lucie: During the hypnosis 

 he laid five sheets of white paper on her knee, two of 

 them being marked with a cross. These two he told 

 her she could not see when she awoke. On awaking, 

 she was surprised to see the papers on her lap, and 

 Janet told her to give the sheets to him. She took up 

 those not marked, and declared when asked that there 

 were no more. The marks must have been noted by 

 her " subliminal consciousness " while not suspected by 

 the ordinary one. Janet proceeds: " This supposition 

 was strengthened by complicating the experiment as 

 follows: I put the subject to sleep once more, and 

 placed twenty small slips, all numbered, on her knee. 

 Then I said to her, ' You can not see the papers marked 

 with multiples of three.^ AMien awakened, she showed 



* M. Dessoir, Das Doppel-Ich, pp. 18, 22. 



