Mary Louise and the Mermaid Princess settled themselves back comfortably
in their seats and looked about them. The Iceberg Express certainly
had every convenience. Of course almost everything was made of ice.
But, then, so is most everything in a Pullman car made of steel.
There was really very little difference except that the ice was much
prettier, it was so clear and white, and the moss cushions that covered
the seats were soft and springy. The crystal chandeliers that hung
from the ceiling were resplendent with little twinkling lights, and
the curtains at the ice-paned windows were made of the thinnest spun
ice threads. Even the little drinking cups that were packed in a
column, one within the other, at the ice water tank, were made of thin
ice.

"I don't feel the least bit cold," said Mary Louise, turning with a
laugh to her mermaid friend. "Do you?"

"Not the least bit," she replied.

"It's so different, though, from the first train we were on," continued
Mary Louise. "It isn't anything like it really. Why, the first
train was only an ordinary iceberg, don't you remember?"

"That's because we never went inside," replied the mermaid. "We
didn't have the opportunity, the explosion came so soon."

"That's so," agreed Mary Louise. "The only think I distinctly remember
is the Polar Bear porter calling out to be careful, and then the awful