Note 4 — Chapter IV
Reading edition
For the descriptions of the Falls of Niagara and of the adventure on the Piz Morteratch we are indebted to the kindness of Professor Tyndall, who readily granted permission to quote them from his copyright works.
Reading edition
For the descriptions of the Falls of Niagara and of the adventure on the Piz Morteratch we are indebted to the kindness of Professor Tyndall, who readily granted permission to quote them from his copyright works.