166 



THE ZOOLOGIST. 



and both equally negotiable by the Newts, they showed a slight 

 tendency to prefer to get out by the left one. Of thirty separate 



V- 



UWiUUm, 



i 



i 



.i 



h. 



I 



Fig. 3. — a = entrance to b — the labyrinth under water ; 1= cul de sac ; 

 r = sloping path leading up out of the water. The arrows indicate 

 Newt's courses. 



Newts tried in succession, eighteen got out on the left and twelve 

 on the right. The left, therefore, was made the cul de sac. 



Great Crested Newts were used for this experiment. An 

 interval of ninety seconds only was given between each trial. 



Table 1. Newt, No. 1. 



No. of Test. 



Time occupied. 



Koute taken. 



1 



5 min. 29 sec 



3 ruin 



Entered r, back and about 



2 



a, and finally r. 

 1, a, r. 



3 



3 min. 2 sec 



r, a, r. 



4 



1, a, r. 



5 



2 min. 30 sec 



30 sec 



r. 



6 



1, a, r. 



7 



1 min. 29 sec 



2 min. 5 sec 



r. 



8 



r. 



9 





1, a, r. 



