Essay, &e. 252 
have been described, and till ihe separate objects. 
“of Lichology have been illustrated by the expla- 
natory Catalogue: alchough the materials com- 
posing the grand central ridges and their branches 
are similar, it will be proper to follow them 
in the order of my route, and to point out the 
peculiarities which were observed.  A!ter-lea- 
ving Karang-bollong, I proceeded closely along 
theeastern toot of the peninsula at the village 
Adipollo the natives produced the stone which 
is employed in burning lime: it is a Stalactites 
of a loose cellular texture, formed in the nume- 
rous vallies of these ridges irom the general mass 
of limestone, containing foreign admixtures: 
the latter, when exposed to a strong degree of 
heat, according to rhe account of the inhabitants, 
crumbles to pieces end affords a grivy mass, 
which cannot be employed for any of the pur- 
poses of lime. 
In many parts of this route I noticed steep 
piles of calcarcous rocks, and irregular masses 
were distributed along the foot of the hills; the. 
surface was very rugged. Rounded fragments 
occasionally projected from a deep soil, and in 
one place 1 found hornstone similar to that of 
Karang Kuda. Great portion of this tract is 
inundated during the rainy season; and even 
_inthe middle of the dry season many spots, were 
marshy. The small tract of Ranka is situated | 
towards the northern extremity of the ranges of 
Karang-bollong, and forms part of the extensive 
plain of Baggalen; in the north, the rising is 
scarcely perceptible ; proceeding westward to 
the village of Selondokko, 1 passed the projece 
: = ^ Exp. Cat. No, 19 and He | 
