544 
they could occur, date from an epoch long anterior, and 
that since its introduction into Europe no geological 
changes have taken place of sufficient magnitude to entomb 
any number of their bones. Lastly, the Sheep is an animal 
of such general consumption for domestic purposes, that 
none of its remains are scattered over the country to be 
drifted by local floods into caverns, or imbedded in 
alluvial deposits. 
