The sultan, who had risen from a Mongolian slave to become a second Saladin, and who combined the physique and audacity of a Danton with the tenacity and religiosity of a Philip II., dealt blow after blow to the Franks of the East.
De Lapparent, Lecons de geographie physique (2nd ed., Paris, 1898), and W.
From 1834 he was perpetual secretary of the Brussels Academy, and published a vast number of articles in its Bulletin, as also in his journal, Correspondance mathematique et physique (11 vols., 1825-39).
In personal appearance he was tall and corpulent, of a dignified presence and extremely powerful physique, with a bald forehead, close-cropped hair and short moustaches.
His published works include: Etudes geologiques sur les Iles de Tenerife et de Fogo (1848); Voyage geologique aux Antilles et aux Iles de TeneAife et de Fogo (1848-1859); Recherches sur les principaux phenomz nes de meteorologie et de physique generale aux Antilles (1849); Sur les variations periodiques de la temperature (1866), and Coup d'cell historique sur la geologie (1878).