252 ANIMAL INTELLIGENCE 



When touched turns reflexly towards the source of 

 the stimulus. 



llth day. B has, in twenty-four hours, been the 

 subject of a phenomenal growth and advance in physical 

 development generally, so that it now seems days in 

 advance of C. 



16th day. Very pugnacious when approached. 



20th day. Strikes vigorously with beak and wings. 

 It desists when placed in the hand, but is as bad as 

 ever when put down again. 



22nd day. When striking at me it got sawdust into 

 its mouth. This was promptly ejected, however. 



28th day. Out of the nest and flying about as the 

 other one. 



Short-Faced Tumblers, D and E. 



Unless otherwise stated the notes refer to D. 



1st day. The eyes are fairly open. 



The opening of the ear is very small. 



2nd day. E can sit up fairly when it does not 

 attempt to move, but if it does it sprawls about badly. 

 The head seems too heavy, and its neck too long, 

 but it is a vigorous specimen of this somewhat delicate 

 variety. 



3rd day. When the wing is pricked the head is 

 dipped downward and forward somewhat forcibly, but 

 not towards the side stimulated. 



6th day. The head and neck are well supported. 



The eyes are still held open only part of the time. 

 The parents sit over the birds at eventide, though very 

 hot in the loft. 



7th day. The eyes held open almost all the time. 

 Does not wink even when the eyes are touched. 



10^ day. Much growth and general advancement 

 evident. 



13th day. The bird pecks when I put my hand near 



