102 SUNKLANDS OF PORT PHILLIP BAY AND BASS STRAIT 
the Ice Age as well as to tectonic movements. The European 
equivalents of those parts of the bores discussed here are the 
Wurm, Riss-Wurm, and Riss Stages, covering part of the Middle 
Pleistocene and the whole of the Upper Pleistocene. The follow- 
ing inferences have been drawn : 
FIG. 14. 
Bathymetrical Chart showing Bay Bar across Western Entrance, 
Western Port. 
During eustatic rise of sea level in the interglacial stages or tectonic 
stibsidence — 
King Bay was formed. 
Spits were deposited on the pre-existent dunes that had been levelled by 
wave action. 
The Nepean Bay Bar was formed. 
