FUNCTION.] CARVED FIGURES IN WOOD. 201 



circumstance, however, which appears particularly remark- 

 able, is, that the internal structure of the filling-up substance, 

 011 a longitudinal incision, corresponded very nearly with the 

 old wood situated next to it, with the difference only, that 

 spiroids existed in the latter, which were entirely absent in 

 the new wood. It will be seen, therefore, that the formation 

 of layers is peculiar to the wood, and is by no means caused 

 by any external influences. 



