280. Essay, C 
half a mile distant, with a precipitous elevatione 
] ascended it, and estimate its elevation at least 
1000 feet above the surrounding level; ic is 
covered with a deep soil and high y luxurianc 
vegetation: Basaltic stones in extensive layers 
ai? occasionally observed on the ascent project- 
ing from a deep soil: their surface is burst and 
covered with an earthy ochreous incrustation.* 
Several detached fragments have a reddish co- 
lor, and indicate the existence of beds of decom- 
posed Basaltes near the foot of this hill. 
The hill Butak, ( which name, according to 
the application of the natives, includes the as- 
semblage of all the ridges situated immediately. 
Worth.and North West of Batur ) is connected, 
in the North-West, to the declivities of the hill 
Prarangan, and in the east they pass into the Pa- 
kerman. “This mountain is well known on ac- 
count of the volcanic apertures which exist in 
its declivities: one of these is denominated Gu- 
wo-upas er the Poison-cave, by the natives, in 
consequence of the deleterious effect of the air 
it discharges on the animals that approach it it, 
the other, the crater or Kawa of the natives, Ke 
at the Western foot of ihe morian and ex-. 
plodin at intervals of a few seconds, consider- 
able volumes of smoke. The P a of this 
opening is "bent 30 feet and its depth is consi- 
derable; near it is a smaller one about two. 
yards wide, The natives have a superstitious, 
aversion to approach these apertures, and 
. yielded to their sollicitations, at the sacrifice of | 
the curiosity to examine their appearance: this 
was of lessimportance, as frequent gppoppaiieR 
occur of observing similar oue sonis 
“a Exp. Cat. No. 67. p^ ek cdi 
