614 
Besides the rocks described thus far, a number of other limestones 
and limesandstones from the basin of the Tuorentz River were exa- 
mined, in which however no Foraminifera appeared to occur. 
It is remarkable that in none of the rocks examined, which in part 
were rather coarse-clastic, volcanic materials occur. In this respect, 
then, there is a sharp contrast between North- and South-New-Guinea, 
Buitenzorg, November 1916. 
