The Saginaw Valley Collection 19 
skeleton might be underneath, and that the knoll was in reality 
a burial mound and nota natural elevation, for human teeth have 
not yet been brought up from the interior of natural knolls. 
On excavating the mound, several human skeletons were found 
near the base of the burrow. Thus the wood-chuck, of interest 
to the student of mammals, was of assistance to a worker in 
another department of science. 
W. Orchard, Photo. 
CASS CACHE No. 2. 
Cass Cache No. II.—This cache, consisting of 22 blanks 
and 12 pieces of nodules of chert, very similar to that of the 
Subcarboniferous outcrop, was found just below the surface of 
the earth, near the south bank of the Cass river, at a point about 
four miles above Saginaw. The 12 pieces of raw material lay in 
a pile and the 22 blades were spread out nearthem. Chips and 
