National Geographic : 1932 Nov
LONG-HANDLED BUTTERFLY NETS PROVED USEFUL With these it was possible to sweep through the different strata and obtain many living specimens. They were also used from the observa tion chairs to sweep branches in the tree-roof. MORA TREES RISE FROM BUTTRESSED BASES Some of these root formations are more than iofeet high. They com plicate labor for the choppers, who must build platforms above them to reach the ironlike trunk.