Prologue.—Dr. Nikola
I determine to take a holiday.—Sydney, and what befell me there
My first experience in London
The home of my ancestors
I save an important life
Mystery
I meet Dr. Nikola again
Port Said and what befell us there
Our imprisonment and attempt at escape
Dr. Nikola permits us a free passage
We reach Australia, and the result
On the trail
Lord Beckenham's story
Following up a clue
The islands and what we found there
Conclusion
