Essay, @c. 249 
more uniform than the Limestone of Karang- 
kuda, and tbe fracture exhibits numerous shells 
of various sizes; in some parts it is chrystalized: 
and sparry : from this eminence the descentis on 
“the whole gradual towards the Cavern of Na- 
gassari: near the Ocean I found a vertical pre- 
cipice of about 30 feet, to the rocks disposed 
near the entrance of the Cavern ; thisI descend- 
ed on a common ladder of batida: Here, onan 
extensive tract parallel to the ocean, immense 
rocks are scattered in every direction, resem- 
bling those of Karang-bollong: the entrance 
of the Cavern was distinctly observed about 20 
feet lower, but at this time was inaccessible on 
account of the tempestuousness of the ocean, the 
surf beating against the rocks with great force: 
it was a simple fissure of about to feet perpen- 
dicular extent, gradually widening downwards, 
- A most extensive regularly perpendicular sec- 
tion of the hill was here exposed completely 
naked. The materials disposed in strata having 
a very gentle inclination, were similar to those 
composing the vault at Karang-bollong; Ba-* 
saltes, lava and sand, forming an aggregate rock 
"of the nature of Pou dingue; nuclei of white 
sand, schorl, and minute chrystals of quartz were 
Sometimes discovered on the fracture, A con- 
iderable : dive ty aH in ds oli erae ea 
of the" 7I but they all exhibited 
the marks. oF having [oe carried by a current 
and of attrition. Many of the specimens here 
consisted of minute particles, greatly - resembling 
the Basaltic Tufa, which I ana found on 
ts 
ud "Ex. Cat. No, 9. 
