212 ANIMAL INTELLIGENCE 
He can now run fast and well, his power over his 
hind legs being good. 
He hears perfectly even faint sounds. 
On being held before a piano, when it is played upon, 
he manifests no special effect. 
46th day.—The puppy gets up to a water-pan over a 
foot high, and, resting his front paws on it, laps water, 
the whole proceeding reminding one of a mature dog, 
This was first done, however, three or four days ago. 
A small Skye terrier, and afterwards a collie, are 
allowed to enter the puppy’s compartment, but he does 
not seem inclined to notice them much. 
Lies with his head on the sill of the door of his com- 
partment. 
A7th day.—After I playa little while with the puppy, 
and then retire, he barks impatiently to get out. 
A9th dayi—The puppy is playing in the yard. 
Scratches at the snow likean old dog. After defecation 
he draws himself along in the snow. 
He pulls at the withered branch of a vine growing 
against a fence. 
He ascends a snow bank in the yard, wagging his tail, 
He seems very much at home with the older dogs, 
and adapts well to his surroundings. 
52nd day.—The last remark applies with much greater 
force now. 
He is very free in ali his movements. Carries his taal 
up, and wags it vigorously. 
Considerable change is observable in the shape of 
his muzzle within a few days. 
On being given a bone he does not commence on it at 
once, but carries it to his bed instead of gnawing it on 
the sawdust that covers the floor of his pen. 
58rd day.—To-day the puppy is trying hard to get 
out of his compartment, pushing his head through be- 
tween the iron-wire door and the sill, and using his paws 
