V. 
The Origin of Self-conscious 
. Life. 
W E are confronted, however, 
with our most difficult prob¬ 
lems in the effort to demonstrate 
that man had his origin in the low¬ 
est form of animal life, and has 
come to his present erect carriage 
and exalted character and attain¬ 
ments by slow and gradual modifi¬ 
cation through natural selection or 
some other process. 
That there is a general re¬ 
semblance between the structure 
of man’s body and that of certain 
of the lower animals, especially the 
anthropoid apes, there can be no 
question. It is further true that 
57 
