OCCURRENCE OF IMPLEMENTS IN THE RIVER DREPE 
AT TRENTON, NEW JERSEY. 
BY CHARLES C. ABBOTT, M.D. 
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Tue discovery of unquestionable river-drift implements in this 
country has been an occurrence of great rarity, in comparison 
with the extensive unearthing of such implements in Europe and * 
PENNSYLVANIA 
W 
more especially in France. There does not seem to be any known 
stratum of river-drift that contains such specimens of archaic 
.implements as have been found by archæologists, in situ, at Amiens 
and St. — = sehen and therefore the occurrence of a single | 
pres n pier bee st E: gore 
