-saltes: in the descent, in the opposite direction, 
the road was cut through a deep stratum of this 
* stone ina state of decomposition. Is hardness 
and adhesion was so completely destroyed, that 
-it was as easily divided by a cutting. instiument 
as a^mass of clay or earth: if taken up by the 
hand it crumbled to pieces. The fraciure re- 
sembled that of the Basaltes composing the pila 
.of Gunung- Lawek: the white colour predomi- 
nated, the lustre of the feldspar was lost, and the 
„Other component paris were cathy and ochre- 
cous: in some particles the angular form -was 
¡Still discernible in others the whole was united 
into one uniform mass. This decomposed Ba- 
saltes was afterwards found abundantly in. the 
central ranges, where it constitutes one of the 
pricipal bases of our hills: the causes which 
-have effected or influenced this decomposition. 
have heen peculiarly operative in certain. tracts 
-and situations. Many of the fragments above 
this decomposed stratum were very compact, and 
resembled the Wernerian Greenstone, consist- 
ing of minute irregular particles of feldspar and 
t greenish hornblende, intimately mixed: amon 
these I selected specimens of very determinate 
sides and angles: in the village of Paggerpella 
several very larze rocks of this. substance 
; On the descent above: lentioned a third point - 
of considerable elevation is first observed in com- 
ing from the South, the hill. Roggo-jamban: 
gan. exceeding in extent of base, and probably. in 
height both the Pawinian and Telogo-leli. At 
* Exp. Cat. No, 5o. y : 
1 Exp. Car. No. 51. GS qu uel T 
