SPECIES OF WOODS. 



119 



Physical Qualities: Very heavy (3d 

 in this list) ; 53 Ibs. per cu. ft., sp. gr., 

 0.8218; very strong (llth in this list) ; 

 very elastic (14th in this list) ; very 

 hard (3d in this list) ; shrinkage, 10 

 per cent. ; warps ; not dur- 

 able; very hard to work; splits with 

 great difficulty, almost impossible to 

 nail. 



Common Uses: Wheels, runners, tool 

 and axe handles, agricultural imple- 

 ments. 



Remarks: Confounded commercially 

 with shellbark hickory. 



Radial Section, 

 life size. 



Cross-section, 

 magnified 37^ diameters. 



Tangential Section, 

 Hfe size. 



