CHAPTER II.--The Origin of Navigation--The Nautilus--The Split Reed
and Beetle--The Beaver floating upon a Log--The Hollow Tree--The First Canoe--The Floating Nutshell--The Oar--The Rudder--The Sail--The Tradition of the First Sail-Boat 31
and Beetle--The Beaver floating upon a Log--The Hollow Tree--The First Canoe--The Floating Nutshell--The Oar--The Rudder--The Sail--The Tradition of the First Sail-Boat 31