MAP I. 
for: S. Embaloeh (Ldbajan) read: S. Embaloeh Lfebojan. 
MAPS II and III. 
The colours 15 and 37 are by mistake too nearly alike each oilier. On the Lfekawai and Tondok rivers the 
colour is meant for 15, Old-tertiary, whilst in the vicinity of Mt. Ampan and along the Embahoe 37, Andesite is indicated. 
This should also be considered with regard to the other maps and sections. 
There is only a shade of difference between the colours 17, recent jlnviahle and lacustrine deposits, and 33, 
rhyolite , which might lead to misapprehension on map VIE. This can, however, be avoided by noticing fact the that 
where the colour 33 is meant the name of the rock is given in addition, which is not the case with colour 17. 
