Katrinus fuscus (Peters, 1873).
See above.
For more on Australian Water Pythons go to:
http://www.smuggled.com/auspyt3.htm
The above was from the paper - A revision of the Australiasian Pythons.
(Originally published in Ophidia Review 1(1) in "Autumn" 2000 - (Publication date: October 2000), pp. 7-27).
For the text of the full paper 
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photos exactly as it appeared in the journal Ophidia Review - as an Adobe Acrobat pdf file
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