The DYNANOMETER, of _M. Regnier_, has afforded some curious results regarding the strength of the people of different nations. In the years 1800-1-2-3, and 4, M. Peron sailed on a voyage of discovery with Captains _Baudin_ and _Hamelin_, in the French ships _Le Geographe_, and _Le Naturaliste_; and in the first volume of his _Voyage de Decouvertes aux Terres Australes_, he gives an account of some experiments he made with this new instrument to ascertain the comparative strength which individuals are capable of exerting. According to the Dynanometer, M. Peron found, that the inhabitants of the countries under-mentioned, were capable of exerting a force as follows, viz. Strength of the Hands. Do. Loins. Killegrammes. Myriagrames. SAVAGES. Of Diemen’s Land, 50 6 0 0 Of New Holland, 51 8 14 8 Of Timor, 58 7 16 2 EUROPEANS. French, 69 2 22 1 English, 71 4 23 8 From the above experiments it appears, that men in a savage state, are not so strong as those under the influence of civilization; “and thus it is demonstrated, that the improvement of social order does not impair our physical powers, as some persons have imagined.” And it is also evident, that Englishmen possess more strength than Frenchmen; a fact that has been proved as often as our soldiers have charged the French army with the bayonet. The strength and activity of the human frame arise from the muscular conformation of its parts, and their constant EXERCISE.--Those habituated to carry burdens will bear a load of from six to eight hundred pounds; while other men, of the same weight and apparent strength, would find it difficult to carry more than one hundred and fifty, to two hundred pounds. This difference is the effect of practice; as nature proportionally augments the power of those parts of the body which are most exerted. From the same cause, watermen, fishermen, and sailors, who are accustomed to the use of the oar, acquire great strength in their arms; but, indeed, the position of the rower is the best calculated of any, for exerting and increasing the muscular power of the body, as every part must be employed at the same time. Accordingly, that hardy race of men whose occupation leads them to ply the oar on our rivers, and along the sea coast, are the strongest and most robust of our species.