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Updated: May 7, 2025
It hangs straight for a couple of yards, but as if it could not give its thorns a fair chance of mischief, it suddenly bends on itself, and all its cruel points are now at right angles to what they were before. Darwin's observation shows a great deal of what looks like instinct in these climbers.
Darwin's view of the matter and what position his theories hold, when judged by the principles which I have previously laid down, as deciding our judgments upon all theories and hypotheses.
If people have nothing else to urge against the book, they say "Well, after all, you see, Mr. Darwin's explanation of the 'Origin of Species' is not good for much, because, in the long run, he admits that he does not know how organic matter began to exist.
The inheritance of acquired characters is denied, not only by thorough opponents of evolution, but even by scientists who admit it and have contributed a good deal to its establishment, especially Weismann, Galton, Ray Lankester, etc. Since 1884 the chief opponent has been August Weismann, who has rendered the greatest service in the development of Darwin's theory of selection.
It will be obvious from what has preceded, that we do not agree with Professor Kolliker in thinking the objections which he brings forward so weighty as to be fatal to Darwin's view. But even if the case were otherwise, we should be unable to accept the "Theory of Heterogeneous Generation" which is offered as a substitute. That theory is thus stated:
But we may insist, upon grounds already intimated, that, whatever they were good for before Darwin's book appeared, they are good for now.
There is, however, one apparently very important phenomenon which I do not at this moment see how to connect with memory, namely, the tendency on the part of offspring to revert to an earlier impregnation. Mr. Darwin's "Provisional Theory of Pangenesis" seemed to afford a satisfactory explanation of this; but the connection with memory was not immediately apparent.
Their biological condition is that of the lower orders, and the Darwinian law of progress came to them as an inspiration. Darwin's mind, in its absence of the higher vision, was akin to a German mind. In his plodding patience, his devotion to details, and in many other ways, his mind was German. But in his candor, his truthfulness, his humility, his simplicity, he was anything but German.
This last sentence is now completely altered, as well it might be. Again: Possibly. This now stands, "When the views advanced by me in this volume, and by Mr. Wallace, or when analogous views on the origin of species are generally admitted, we can dimly foresee," &c. When the "Origin of Species" came out we knew nothing of any analogous views, and Mr. Darwin's words passed unnoticed.
It is interesting to note that an extant portrait of Erasmus Darwin, Darwin's distinguished grandfather, shows a pituitocentric, but with a rounder head and a fatter face, which point to a predominance of the post-pituitary over the ante-pituitary. Correspondingly, he was more speculative and poetic intellectually than his grandson, and more irascible and imperious in his moods.
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