Jenolan Caves. 
251 
whenever the least evaporation takes place, has to deposit 
some of its dissolved carbonate of lime in one of the 
many stalactitic forms, before it can flow off to the 
sea and distribute its remaining contents to fresh coral 
banks. 
“ Thus the old coral reef melts away far inland, 
and the lime that formed the framework of its corals is 
again utilized for the same purpose. What a simple suc- 
cession of causes and effects ! And yet, before the circle 
is completed long ages of time have come and gone ; and 
what a fine example of the balance between the waste and 
reproduction that takes place in nature ! 1 
1 0. S Wilkinson, “The Jenolan Caves.” An article contribntpn tn o 
Guide of New South Wales. Sydney Government Printer 188 g! 1 Railway 
