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THE AMERICAN NATURALIST. [Vol. XXXVII. 



evidence on the point." The workman who found most of 

 the specimens in the holes tells me, without having been ques- 

 tioned with reference to the matter, that the old ones with the 



He says they seized a stick or his finger when held toward them 

 with decided energy. I have, furthermore, the direct testimony 

 of another person, in this instance a student well experienced in 

 out of door natural history, that an individual once found by 

 him under a rock or log in the field, seized his finger in a dis- 

 tinctly vicious manner. 



Thus is brought to light more of the peculiar traits that have- 

 attracted the attention of several observers of this unsalamander- 

 like salamander. So far as I am aware this is the only urodele 

 that could properly be called arboreal. 



These peculiarities are the more interesting in that there can 

 be no question as to the real affinities of the species. Its close 

 kinship to the other plethodons can not be doubted for an 

 instant. All that is unique about it, it has acquired so far as 

 can be seen all by itself. Experimental study on its behavior 

 should, consequently, yield unusually interesting results. 



