EXPLANATION OF PLATE LXVIII. 



Fig. 1. Grainer. Of the humerus of the musk-ox. The upper joint furnishes the 

 handle and the hard portion of the bone cut diagonally forms the edge. 

 Fine serrations on the edge furnish the graining surface. 



Cat. No. 90346, U. S. N. M. Eskimo and Indians of Ungava, Canada. Collected by 

 Lucien M. Turner. 



Fig. 2. Graining Tool. Handle of pine. Blade of iron, finely toothed and lashed 

 to the shaft with a buckskin strip. A thong fastened to the top of the 

 handle passes around the wrist and catches the force of the blow. This 

 is an excellent device for giving emphasis to the work of the tool. 



Cat. No. 89927. U. S. N. M. Eskimo and Indians of Ungava, Canada. Collected by 

 Lucien M. Turner. 



Fig. 3. Grainer. Made from the "bit" of a plane and finely serrated. In use this 

 is placed on the primitive bone grainer and lashed with buckskin. 



Cat. No. 90260, U. S. N. M. Eskimo and Indians of Ungava, Canada. Collected by 

 Lucien M. Turner. 



