The Twins, however, were used to surmounting difficulties, and at once they began surmounting these.
"The difficult thing is not to get you there, but to keep you there," said the Terror thoughtfully.

"You see, I've got to go down every day for milk and things, and they're sure to ask me if I've seen anything of you.

Of course, I can't lie about it; and then they'll not only take you away, but they'll probably turn us out of the caves." "That's the drawback," said Erebus.
The Twins gazed round the wood seeking enlightenment.

A deep frown furrowed the Terror's brow; and he said: "If only you weren't a princess they wouldn't make half such a fuss hunting for you, and I might never be asked anything about you." "I should have to come to the camp incognita, of course," said the princess.
The Terror looked puzzled for a moment; then his face cleared into a glorious smile, and he cried: "By Jove! Of course you would! I never thought of that! Why, you'd be some one else and not the princess at all! We shouldn't know where the princess was if we were asked." "Of course we shouldn't!" said Erebus, perceiving the advantage of this ignorance.
"I generally am the Baroness von Zwettel when I travel," said the princess.
The Terror considered the matter, again frowning thoughtfully: "I suppose you have to have a title.

But I think an English one would be best here: Lady Rowington now.