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C. H. TURNER. 



brevity throughout this discussion this form of behavior is called 

 exploring movements.] Should it reach the top, it might en- 

 circle it, pausing now and then to make exploring movements; 

 or it might rest there for a long stretch of time. However, it 

 would be more apt to descend the post, pausing now and then to 

 make exploring movements. It might continue along the post 



G e 



.- 



FIG. i. 



FIG. 2. 



to the ground; but it would be more apt to make side trips to 

 one or more of the arms. Often the same arm would be traversed 

 several times. Finally it would rest for an indefinite length of 

 time upon some part of the maze, or else reach the ground. Some 

 caterpillars would leave the post permanently as soon as they 

 reached the ground the first time. Others would remount the 

 maze and explore it one or more times before leaving. The 

 transcription of the field notes of two cases will illustrate the 

 above description. 



A tent-caterpillar about one inch long is placed on a maze 

 arranged as in fig. i ; but without the -band G. Ascending in a 

 sinuous path, it passes around the bases of a and d, over the base 

 of j and around the foot of g and h to the top of the post. The 



