■20 



PRESIDENT S ADDRESS. 



be an amalejaniated delta and thus the consequence rather 

 than the cause of the rivers. 



Protected by their submarine buttress, the Fitzroy and 





SUBJMARINE 

 BUTTRESS 



BUTTRESSED / ^ 

 AREA 



Fig. 3.— Coast of Queensland. North of Wide Hay, sliowing the relation 

 hetween the old, long riveis and liroad .shelf in the south ; and the new, 

 sliort livets and narrow shelf in the north. 



the Burdekin more nearly represent primitive radial drain- 

 age than any other Australian stream flowing into the 



