Chapter 19 A NIGHT ATTACK

It was the aged scientist who again put heart in the party when Andy

Sudds and Phineas Roebach brought back the report of this catastrophe.

"We must not give up hope," declared Professor Henderson, cheerfully. "We have lost what work has been done on the ice-wall, it is true. But we can begin again."

"And of what use will that be?" demande