Physiography of Werrihee Area. 



295 



-especially by the Paiwan, the Werribee, and the Moorabool. 

 Swamps are rare, only a few l)eing known to the writer, one of 

 them in a peculiarly interesting position. It has been mentioned 

 that the divide between the Moorabool and the Weriibee is mainly 

 very low. Just west of Ballan, the Geelong water race from Kor- 

 weinguboora traverses this divide in a trench a few feet deep. 



il MIL6S. 



Fig. 37. — Plan of Swamp near Mount Wallace, showing nature of the 

 divide between the Parwan Creek and the Eastern Moorabool. 

 To illustrate .some phases of the post-newer basaltic development 

 of drainage, and also the nature of the divide between the 

 Werribee and Moorabool basins in this locality. The Parwan 

 is in the east of the plan, the Moorabool in the west. 



Further south, below Mt. Hydewell, and immediately north ol 

 Mt. Wallace, the sAvamp occurs which is the subject of Fig. 37. To 

 the west the Eastern Moorabool has entrenched itself in a gorge 



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