EXPLANATION OF PLATE 24. 



Fig. I. J)i:iLL Bow. 



(Cat. No. 44209. U. S. X. M. Cape Darby. Collected l,y K. W. Xclson.) 



Fig. 2. Drill Bow. 



(Cat. No. 2.S021, V. S. N. M. Sledge I.slaud.) 



lig. 3. Drill Bow. 



(Cat. Ko. 4:i931. U. S. N. M. Xubuialihchugaluk. Collected by E. W. Xel.son.) 



Fig. 4. Drill Bow. 



(Cat. No. 444G6, V. S. X. ^L Cape Xome. Collected by E. W. Nelson.) 



Fig. o. Bodkin. 



(Cat. No. ;i:il7r., U. S. X. M. X'orlon Sonmi. Collected by E. W. Xelsciii I 

 Fig. (). l.ODKIX. 



(Cat. N^o. 33177, U. S. X'. M. Norton Souud. Collected by E. W. Nelson.) 



