i8o 



TIMBER AND TIMBER TREES. 



[chap- 



Table LVI. 

 Tensile Experiments. 



Table LVII. 

 Vertical or Crushing Strain on cubes of— 



The principal other American Elms are U. fulva,. 

 the Red Elm, and the " Wahoo " {U. alata), both yielding 

 good timber. 



