392 Journal of the Asiatic Society of Bengal. [November, 1913. 
d rise 
conspicuous in flat land devoted to or suitable for agriculture, 
most commonly contain the caves, eaten out of their centres 
of the hills, sometimes they open on the face of precipitous 
cliffs, which may have almost the appearance of white marble, 
or may be almost black on account of weatherin 
great chambers within the hill. In many cases there are 
several series of passages and caverns, the latter of consider- 
able diameter, of great height and usually of circular form 
with a domed roof. The passages, which are as a rule less 
length of many hundred yards. lt is very common for there 
to be a small aperture like a skylight in the roof of the 
larger chambers, and sometimes the roof has collapsed more or 
