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Tyler, John Mason, 1851-1929

"A Brief History of His Origin and Development through Conformity to Environment; Being the Morse Lectures of 1895"


If we appeal from adult anatomy to embryology the case becomes all
the worse for us. Our ear is lodged in the gill-slit of a fish, our
jaws are branchial arches, our hyoid bone the rudiment of this
system of bones supporting the gills. Our circulation begins as a
veritable fish circulation; our earliest skeleton is a notochord;
Meckel's cartilage, from which our lower jaw and the bones of our
middle ear develop, is a whole genealogical tree of disagreeable
ancestors. Our glandula thyreoidea has, according to good
authorities, an origin so slimy that it should never be mentioned in
polite society. The origin of our kidneys appears decidedly vermian.
Time fails me to read merely the name of the witnesses which could
be summoned from our own bodies to witness against us.
Even if the testimony of some of these witnesses is not as strong
as many think, and we have misunderstood several of them, they are
too numerous and their stories hang too well together not to impress
an intelligent and impartial jury. But what if it is all true? What
if, as some think, our millionth cousin, the tiger or cat, is
anatomically a better mammal than I? His teeth and claws and
magnificent muscles are of small value compared with man's mental
power.
What a comedy that man should work so hard to prove that his chief
glory is his opposable thumb, or a few ounces of brain matter! Man's
glory is his mind and will, his reason and moral powers, his vision
of, and communion with, God.


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