Summary
Forty-three hardwood from a timber stand near Manaus are studied under the pulp and paper standpoint. Firstly, an analysis of the expansion of the worldwide pulp and paper industry is under-taken, as well as its evolution in Brasil. Then, there follows a retrospective examination of the main tentative efforts to utilize mixed tropical forests as a source of wood for the pulp and paper industry. Data are given on the botanical aspects of the region where the woods were collected and its forestry, on the evaluation of the bleached and unbleached pulps, considering both the individual species and their mixtures, as well as the characteristics of paper samples produced therefrom. Given are also data on the chemical analysis of the woods, and finally the micrometric results of fiber measurements.