THE PRINCIPLES OF BIOLOGY
Reading edition
BY
HERBERT SPENCER
IN TWO VOLUMES VOL. II
REVISED AND ENLARGED EDITION 1899
NEW YORK D. APPLETON AND COMPANY 1900
Copyright, 1867, 1899, By D. APPLETON AND COMPANY.
Reading edition
BY
HERBERT SPENCER
IN TWO VOLUMES VOL. II
REVISED AND ENLARGED EDITION 1899
NEW YORK D. APPLETON AND COMPANY 1900
Copyright, 1867, 1899, By D. APPLETON AND COMPANY.