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.
Their dates had been modest, but was that by preference, or because he had limited funding?
By preference the Andamanese are exogamous as regards sept and endogamous as regards tribe.
His description of the different kinds of ploughs is interesting; and he justly recommends such as were drawn by two horses (some even by one horse) in preference to the weighty and clumsy machines which required four or more horses or oxen.
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.