MODERN METHODS OF SCIENCE. 591 
scientist, he goes on to say: “It is established that man has two 
grand faculties of which we find not even a trace among animals. 
He alone has the moral sentiment of good and evil; he alone 
believes in a future existence succeeding this actual life; he 
alone believes in beings superior to himself, that he has never 
Seen, and that are capable of influencing his life for good or evil; 
in other words, man alone is endowed with morality and religion.” 
And it may be added that Hartmann, a philosopher of another 
school, says, selection explains the progress in perfection of an 
already existing type within its own degrees of organization, but 
it cannot explain the passage from an inferior degree of organiza- 
tion to a superior one. 
If Prof. Quatrefages be right in “regard to the moral sentiment 
in man, then Darwin must be wr ong in asserting the development 
of man out of that in which not a trace exists of what most . 
preéminently constitutes a man; or he must satisfy himself with 
evolving the physical part of man out of the lower order of 
animals, and then by some creative force implanting within him 
these principles. 
Our own distinguished naturalist and associate, Prof. Agassiz, 
reverts to this theory of evolution in the same positive manner, 
and with such earnestness and warmth as to call forth severe 
editorial criticisms, by speaking of it as a “mere mine of asser- 
tion,” and of “the danger of stretching inferences from a few 
observations to a wide field,” and he is called upon to collect 
“real observations to disprove the evolution hypothesis.” I 
would here remark, in defence of my distinguished friend, that 
Scientific investigation will assume a curious phase when its vota- 
ries are required to occupy time in looking up facts, and seriously 
attempting to disptove any and every hypothesis based upon 
Proof, some of it not even rising to the dignity of circumstantial 
evidence. : 
I have dwelt longer on this one point than I had intended ; but 
the very popular manner in which in recent years it has been pre- 
Sented to the public mind of all classes of society, and to persons 
of all ages, warranted a full notice in speaking of the importance 
of avoiding, as far as possible, undue speculation in connection 
With our method of scientific investigation. 
Let me not be understood to underrate the brilliant ideas and 
_. teat learning of those most distinguished men of the nineteenth 
