640 SAND-MOVEMENT ON THE NEW SOUTH WALES COAST. 



EXPLANATION OP PLATES. 

 Plate lii. 

 Chart of the Pacific Ocean showing ocean-currents. 



Plate liii. 



Copy of the Admiralty Charts from Point Danger to Cape Howe, showing 

 the direction of the ocean-current, and the deflections and counter 

 currents or eddies caused by each projecting headland. 



