Rods and Rod Material. 205 



The cedar was from a 



for the purpose of comparison, 

 very choice Florida specimen. 



To facilitate computation, as is customary where abso- 

 lute accuracy is not required, the weight of a cubic foot 

 of distilled water was taken at 62.5 pounds. This table 

 does not bear out the statement heretofore made that 

 the ironbark wood was lighter than greenheart. The 

 comparison was then made with Mr. Laslett's specimens 

 of greenheart, which were considerably heavier (71.81 

 pounds to the cubic foot) than those tested by me. At- 

 tention has been called before to the fact that different 



