13G 



FLETCHER, COWAN AND ARLITT 



TABLE 12— Continued 



Trial 



No. of Chick 1 



20 V 3 " 



21 51.5" 



25 12' 57 " 



Average 4' 57+" 



41 27.5" 



43 9 " 



47 1' 3 " 



48 4' 51 " 



51 25 " 



Average 1' 23+" 



71 20 " 



72 30 " 



74 12.5" 



80 5 " 



81 7' 12 " 



Average 1' 38+" 



22+" 



16+" 



9+" 1' 46+" 



Trial 



No. of Chick 6 7 8 9 10 



2 : ... 19 " 7 " 19 " 8 " 31 " 



3 15 " 6 " 10 " 12.5" 9.5" 



4 3 " 4 " 2.5" 3.5" 3 " 



6 8 " 6 " 5 " 1' 3 " 13.5 



10 4.5" 15.5" 15.5" 6.5" 25 " 



14 3.5" 2 " 2.5" 5 " 2 " 



Average 8+" 6+" 9 + " 16+" 14+" 



20 13 " 28 " 14.5" 17.5" 10 " 



21 35 " 21.5" 3' 10 " 31 " 46.5" 



25 6.5" 45 " 5.5" 5.5" 5 " 



Average 18+" 31+" 1' 10+" 18+" 20+" 



41 13 " 23 " 20 " 7.5" 19.5" 



43 14 " 10 " 32 " 8 " 9 " 



47 20 " 8 " 19 " 4 " 8 " 



48 12 " 17 " 9 " 4 " 12 " 



51 36 " 16 " 43 " 1'40 " 37.5" 



Average 19+" 14+" 24+" 24+" 17+" 



71 4 " 5 " 9 " 3 " 4 " 



72 6' Became so inactive the experiment had to be 



dropped. 



74 3.5" 8 " 12 " 8 " 12.5" 



80 13 " 6 " 17 " 23 " 4.5" 



81 4.5" 4 " 3.5" 20 " 10 " 



Average 1' 15 + " 5+" 10 + " 13+" 7+" 



No. of 

 wrong 

 turns 



10 

 

 

 3 

 2 

 



2 

 3 

 3 



4 

 6 

 2 

 6 

 2 



1 

 5 







1 

 1 



