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PROCEEDINGS OF THE AMERICAN ACADEMY. 



the tests the individuals were tried in light of lesser intensity, hut ap- 

 plied to the whole surface of the body, to see that they were positively 

 phototropic. 



TABLE X. 



Local Skin Illumination of Eight Eyeless Toads. 



The experiments (Table X.) showed the toad to be positively photo- 

 tropic in response to stimulation received through each of the regions 

 tried, and there was no reason to assume that one region was more 

 sensitive to such stimulation than another. 



Payne (:07) has shown a similar condition in Amblyopsis. He states 

 (p. 323) that these fishes " seem to be equally sensitive on all parts of 



