Where he took the first prize in mathematics and physics; at the Ecole Polytechnique, where he stood first at the exit examination in 1819; and at the Ecole des Mines (1819-1822), where he began to show a decided preference for the science with which his name is associated.
By preference the Andamanese are exogamous as regards sept and endogamous as regards tribe.
Their dates had been modest, but was that by preference, or because he had limited funding?
He had an extraordinary memory, well stored with scientific knowledge, both modern and historical, a cool and impartial judgment, and a strong preference for facts as against theory of the speculative kind.
As far as possible, these railways are laid beside roads, in preference to independent formation; the permanent way costs £977 per mile in the former as against £793 in the latter.