1. A rational conservation program for such migratory fishes as the salmon must be based on a knowledge of (a) whether or not the species consists of local, self-perpetuating populations and (b) the nature and extent of the oceanic migrations.
2. The conservation of a species that is broken up...
The popularity of wood for floors of dwellings dates back to pioneer
days, when our forefathers used thick, hewed sections of log smoothed
as far as possible on one face with an adz and laid edge to edge to
make their puncheon floors . Later, during colonial days, when
sawed...