line 2, for Pterocardia, read Pteroceroid.
line 19, for Citao, read Cibao.
line 5 from bottom, for but were much folded, read but nowhere were much folded.
255, line 19, for north, read mouth.
lines 22 and 35, for Paraúquára, read Parauáquára.
line 27, after diorite, insert boulders.
line 28, for flanks of the serras, read flank of the serra
295, line 22, for Para, read Pará.
line 27, for Almeyrine, read Almeyrine and Santarem.
line 28, after origin, insert deposited.