22 
Geology of Sydney. 
*7 
is no volume of man s making in winch an answer may 
be found; no library could contain the thousandth 
part of it ; but it is inscribed on the rocks around us 
and beneath our feet. They constitute the volume 
you wish to read, every word of which is written by 
i?iG. 3. Oleanclridium. 1 A fossil plant from the Hawkesbury Sand- 
stone. la. — Enlarged portion of same showing venation 
Nature’s own hand. She has kept a record of all her 
doings — kept with wonderful accuracy her diary; and 
we may read her own statement of facts more wonder- 
ful than the fictions of Arabian fancy. All uncon- 
sciously the fiery volcano has traced its turbulent 
1 Record of Geol. Sur. of N. S. Wales, Vol. IV , Plate viii. 
