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MUD ISLANDS, PORT PHILLIP BAY 



Islands group, it outcrops at the south-east end of Boatswain's 

 Island, the north end of Western Island, and probably, before it 

 was covered by sand, was exposed at other places. It is known 



FIG. 1. MAP OF MUD ISLANDS 

 Scale: 6 inches to nautical mile. 



Coast Survey, 1946 



Ross' Chart, 1859-60 



from bores put down on the shoals in the southern portion of the 

 bay (Keble, 1946) that dune-rock underlies all the shoals, sands 

 and channels south of a line from St. Leonards to Rosebud. In 

 configuration the group exhibits an atoll-like form — a circlet of 



