Science and Culture, and Other EssaysHuxley, Thomas Henry
Philosophy
Science and Culture, and Other Essays
Huxley, Thomas Henry
Science
“Je ne veux pas dire pour cela que les animaux qui
existent forment une série très-simple et partout
également nuancée; mais je dis qu’ils forment une série
rameuse, irréguliérement graduée et qui n’a point de
discontinuité dans ses parties, ou qui, du moins, n’en
a toujours pas eu, s’il est vrai que, par suite de
quelques espèces perdues, il s’en trouve quelque part.
Il en resulte que les _espèces_ qui terminent chaque
rameau de la série générale tiennent, au moins d’un
côté, à d’autres espèces voisines qui se nuancent avec
elles. Voilà ce que l’état bien connu des choses me
met maintenant à portée de demontrer. Je n’ai besoin
d’aucune hypothèse ni d’aucune supposition pour cela:
j’en atteste tous les naturalistes observateurs.”
3. In a remarkable essay[91] Meckel remarks—
“There is no good physiologist who has not been struck by
the observation that the original form of all organisms
is one and the same, and that out of this one form, all,
the lowest as well as the highest, are developed in such
a manner that the latter pass through the permanent forms
of the former as transitory stages. Aristotle, Haller,
Harvey, Kielmeyer, Autenrieth, and many others, have
either made this observation incidentally, or, especially
the latter, have drawn particular attention to it, and
drawn therefrom results of permanent importance for
physiology.”
Meckel proceeds to exemplify the thesis, that the lower forms of
animals represent stages in the course of the development of the
higher, with a large series of illustrations.
After comparing the Salamanders and the perenni-branchiate _Urodela_
with the Tadpoles and the Frogs, and enunciating the law that the more
highly any animal is organised the more quickly does it pass through
the lower stages, Meckel goes on to say—
Public-domain text, read in full here on John Shaqi.
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