540 Aboriginal Stone-Drilling. [July, 
bore is an inch and a half deep and nine-sixteenths of an inch in 
diameter at the orifice. It is straight and smooth, but shows par- 
allel furrows or striae impressed by the corners and slight lateral 
projections of the drill. The latter, represented by Figure 2, con- 
sists of black hornstone and is very carefully chipped. It is an en- 
tirely uninjured specimen. When Mr. Wood’s young relation 
found the potstone implement, its bore was filled with earth, the 
removal of which brought to light the flint drill. It stuck in the 
Fic. 1.—Stone object with unfinished bore, and (2) the drill used in the operation. 
Westchester County, New York (natural size). 
lowest part of the bore, which exhibits here a shape correspond- 
ing exactly to the somewhat tapering form of the tool. No trace 
of a handle, without which the drilling could not have been per- 
formed, was found. Its material—doubtless wood—had totally 
disappeared. 
It rarely happens that a discovery of such demonstrative char- 
acter is made, and I therefore concluded to publish the present 
account, which, no doubt, will be of interest to the many W"° 
care for the details of North American archeology. 
