250 MENTAL FACULTIES SEC. 



environment, all parts of which they knew how to use. They 

 tried to escape from my control in every direction, and in all 

 respects behaved as if guided by old experience of their own. 



A wood-louse which ran by was pecked at, but afterwards 

 avoided. Flies no longer attracted attention. The brown 

 chick, after it had at last eaten its fill of the food before it, 

 went evidently with intention to the drinking vessel it had 

 used in the morning, and the white one followed the example. 

 Both fluttered their wings repeatedly in the fulness of their 

 comfort and contentment. 



Fifth and sixth day. They peck on the board in a room 

 vigorously at small pieces of egg-shells which have been 

 put before them, and eagerly try to swallow them. Sand, 

 which was put on the board as well as their food, they leave 

 untouched. Chopped chives they try, but do not eat, but 

 finely minced meat put before them they eat at once with 

 enjoyment. 



Thus they knew from the first how to choose the food 

 that suited them either without trial or after a single trial. 

 They acted at once on every experience, even against their 

 own interest, for they have now become perfectly indifferent 

 to small insects, even ants, after their first attempts to catch 

 them failed. 



The white chick scratches repeatedly with a sort of dancing 

 motion on the smooth wood, the brown has not yet performed 

 this action. The latter made the movement first on the eighth 

 day. 



Both chickens from the first showed alarm at unexpected 

 noises, such as a loud cough. On the seventh or eighth day 

 when I made such a noise while they were before me on 

 the table, and they had just run away from me in fear, I 

 imitated the voice of a hen calling to her fellows. At this 

 both chicks turned suddenly round and ran, as though old 

 memories were wakened in them, straight towards me as 



