... necessities of life. Sometimes the party were settled, for weeks at a time, in more civilized fashion, in the towns or villages on the banks of the main river, or its immediate neighborhood, at Manaos , Ega, Obydos, and elsewhere. Wherever they sojourned, whether for a longer or a shorter time, the scientific work went on uninterruptedly. There was not an idle member in the company. From th...