240 ANIMAL INTELLIGENCE 



Wth day. Eyes not yet open. 



Green food held within 2 or 3 inches is sniffed 

 at. 



Hair has now grown on the body to the length of a 

 quarter of an inch. 



12th day. Eyes of some of the litter now open, but 

 not of all. 



The slightest touch with a leaf of green food causes 

 them to leap in the nest. 



They now move the ears and start when I produce a 

 moderately loud noise with a dog-whistle. The ears 

 are moved to the extent of one-quarter to one-half inch. 



14th day. They now move readily from the nest, 

 which, as in the former case, is situated in one corner, 

 and elevated a few inches, to some other part of the 

 box and back. 



Suspect feeble vision, but cannot demonstrate it. 



They begin to nibble green food. 



15th day. Their mode of progression is more like that 

 of the mature rabbit, i.e. loping rather than walking, in 

 the ordinary sense of the word. 



17th day. They are seen not only to lick and scratch, 

 but to lite. 



ISth day. Begin to poke into corners now when 

 placed on the floor. 



19th day. There is no doubt that they now see. 



2Qth day. One now begins to show the dark markings 

 on tail, ears, and nose, characteristic of the breed. 



They now scratch hard at the wood of their box at 

 times. 



21st day. They eat oats. 



26th day. A fair pad of hair has developed on the 

 foot. 



They are now put down with the members of the 

 other litter, twenty-two days older, and act very much 

 as they do. 



