/ 
Essay, Ee, 283 
#3. Compact Basaltes wich determinate 
angles 
4: Several varieties of Dasaltes in a state of 
decomposition, of which extensive beds are 
found in the vicinity. É 
In the route eastward from Batur, I first fol- 
lowed the Southern foot of the Pakerman and 
Nagassari; the road subsequently winds to the 
North between this hill and che mount Wisma 
and gradually ascends. On this track I passed 
the rivulet Pu? and the remnant of the rivalet 
Dolog, and observed, very distinctly, the explo- 
sions of the Crater of the Pakerman appear- 
ing regularly after an interval of a few seconds. 
Having passed the Eastern declivities of the 
hil! Nagassari, the road approaches the hill Kop- 
pok, which conceals the Esstern points of 
this fange. In proportion to the elevation of 
the district and the vicinity of the summits of 
rhe hills, the ravines become deeper and the 
ascent more abrupt. The river Tulis which 
after receiving the rivulets of Pati and Dolog, 
pursues a Southern course, and forms one of 
the principal branches of the Serayu, winds 
throüzh a very déép valley on the sides of which 
basaltic rocks are exposed: these are observed 
in MIS masses, forming extensive piles on the 
acclivities further. eastward ; their angles are all 
| The 
rounded by attrition. elevation is now 
apparently about tooo feet above the level of 
Datur, in as far as it is indicated by the vegetable 
~~ productions: very few of those growing in the 
lower parts of the valley of the Serayu are now 
met with, but Casuarina Chomoro is here uis 
A a 
"Exp Cat. No, 61, magaang 2 
