THE PSYCHIC DEVELOPMENT OF YOUNG ANIMALS 133 



One was noticed watching with an intelligent ex- 

 pression the movements made in connection with 

 photographic apparatus within 5 feet of them. 



When the lip-call is uttered they wag the tail like 

 older dogs. 



32nd day. By lamplight a puppy follows by his 

 eyes a straw moved before him at 3 to 4 inches 

 distance. He also seems much interested in the shadow 

 of my hand on the wall. 



On holding the coal-oil lamp near them, all licked at 

 the glass cistern containing oil (smell). One or two 

 touched the chimney with the nose or tongue, but the 

 majority turned away when it was near the nose, while 

 neither of those that had touched the chimney went 

 near it again. 



They show sociability with human beings, and a 

 tendency to play with them. 



They become very quiet and attentive when they 

 hear certain kinds of sounds, which is prolonged if the 

 sound continues. 



33r$ day. When a straw is rapidly moved before 

 them they snap at it to catch it. 



Upon changing the straw bedding in their pen they 

 rub about in it much as old dogs, evidently well pleased. 



There is a very distinct advance in the ability to 

 lap milk. 



Now, when put on the covered floor of the kennel, 

 with its covering of sawdust, they do not manifest 

 uneasiness as before, but walk about and play. One 

 is seen to run at a slow rate, with his tail up, and 

 several make quick starts forward and backward. On 

 giving the lip- call, and snapping my fingers, one, a few 

 feet distant, ran towards me. 



They now watch what is being done near them some- 

 what attentively. 



A slight tap on some boards above them causes them 



