["Shipping", The Sydney Morning Herald, Saturday 26 December 1908, page 10]

SHIPPING.

ARRIVALS.--Dec. 25.

Orotava, R.M.S., 5857 tons, Captain S. W. V. Plunkett, from London, via Gibraltar, Marseilles, Naples, Port Said, Colombo, Fremantle, Adelaide, and Melbourne. Passengers--Mr. W. A. Long, Mr. and Mrs. Busby,...

..., Mr. Ronan,...

notes:

Ronan on the Orotova passenger list, and booked to Sydney!

It looks like he might have disembarked at Port Adelaide,

taken the train to Melbourne see his wife,

and then rejoined the ship for the run north to Sydney.