THE PSYCHIC DEVELOPMENT OF YOUNG ANIMALS 181 
(11 by 84 inches) at 4 feet. Is able to locate whether 
a light “ Hist!” is uttered on the right or left.’ 
Licks its paws occasionally. 
Sleeps a great deal. 
18th day. EE dence to be following with its eyes the 
movements of a fly at 4 to 6 inches. 
Turns to bite at objects and puts paws conethier iad 
sort of feeble attempt at play. 
Climbs up side of box to the top and then cries, as 
though desiring to get out. . 
On calling “Puss! puss!” softly, at about 3 feet, 
the kitten turns toward the sound and moves the ear 
nearest to it. | 
A piece of cooked meat is held near, but no special 
effect is noticed. 
At 5.15 p.m. the kitten is seen to be plainly follow- 
ing flies with the eyes at 18 inches, and slightly raises 
paw in an attempt to catch them. 
Licks its own paw, and then licks mother’s leg which 
is close to it. 
In the evening it gets lively and makes attempts at 
play, and crawls over the mother, biting at her and 
itself (play). 
The nose is now getting pigmented. 
19th day—At 11 p.m. to-day follows finger by 
lamplight at 4 to 5 feet, climbs upon mother, and sleeps 
there. 
20th day.—When “Puss! puss!” is called to-day, 
the kitten Aisses softly (surprise). 
There is now nearly always a distinct movement of 
the ear towards the direction of sounds. 
Is taken from the box to-day, and, when free, walks 
towards it. 
21st day Grows well, still s/eeps much, and is very 
quiet. 
After being out of box a short time it returns to it 
