In valley drift we meet commonly with the bones of quadrupeds which graze on plains bordering rivers.

No tools have yet been met with in any of the gravels occurring at the higher levels of the valley of the Seine; but no importance can be attached to this negative fact, as so little search has yet been made for them.

In reply, I can only plead that a discovery which seems to contradict the general tenor of previous investigations is naturally received with much hesitation.

"O Mary, go and call the cattle home, And call the cattle home, And call the cattle home, Across the sands o' Dee;" The western wind was wild and dank wi' foam And all alone went she.

Hitherto, no rival hypothesis has been proposed as a substitute for the doctrine of transmutation; for 'independent creation,' as it is often termed, or the direct intervention of the Supreme Cause, must simply be considered as an avowal that we deem the question to lie beyond the domain of science.

So far, therefore, as we can draw safe conclusions from a single specimen, there has been no marked change of race in the human population of Switzerland during the periods above considered.