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If species had been independently created, no explanation would have been possible of this kind of classification; but it is explained through inheritance and the complex action of natural selection, entailing extinction and divergence of character, as we have seen illustrated in the diagram. The affinities of all the beings of the same class have sometimes been represented by a great tree.
To explain what I mean I must use a diagrammatic figure, but I admit this must be not only inadequate but misleading, for instead of the two dimensions of a diagram, we must postulate three, with time added as a vital element, and, I dare say, a "fourth dimension" as well. Confessing inadequacy in the symbol, let us conceive of a space divided into four strata.
But this genus, though much isolated, will still occupy its proper intermediate position; for F originally was intermediate in character between A and I, and the several genera descended from these two genera will have inherited to a certain extent their characters. This natural arrangement is shown, as far as is possible on paper, in the diagram, but in much too simple a manner.
We shall, when we come to our chapter on Geology, have to refer again to this subject, and I think we shall then see that the diagram throws light on the affinities of extinct beings, which, though generally belonging to the same orders, or families, or genera, with those now living, yet are often, in some degree, intermediate in character between existing groups; and we can understand this fact, for the extinct species lived at very ancient epochs when the branching lines of descent had diverged less.
Now go ahead." "No, I'm dashed if I do! I'm no hand at directing; but, by gosh, you're all there at understanding." "Jack," said I, turning to the primeval t'other-sider "can you direct me to Nosey Alf's?" "I'll try," replied the veteran; and he slowly drew a diagram, true to the points of the compass. "'Ere's the Red Gate mind you shet it then along 'ere, arf a mile.
As this might convey to the general reader the impression that the magnetism thus exhibited was peculiar to New York city, and as many of your subscribers look anxiously for your answers to numerous questions put for the elucidation of apparent, scientific mysteries, I have thought that perhaps a statement in plain language of experiments made at various times, to elucidate this subject, might, in conjunction with a diagram, serve to explain even to those who have not made a special study of science a few of the interesting phenomena connected with
Remained only the problem of discovering the name and address of the firm to be so trusted, but that took him far past midnight. He was just finishing his somewhat lengthy letter of explanations and directions and a passable diagram of the impertinent twist to the tail of his machine.
We gladly promised what help we could give, and our visitor left as quickly and mysteriously as he came, only leaving for our guidance a roughly sketched diagram of alley and house where the little captive could be found. There followed much planning and plotting. Our staunch friend, Sergeant Ross of the Chinatown squad, was summoned and consulted.
We have already seen that the mere physical structure is not man, but only a part; the Idea of man including also an internal moral being. The external, then, in an actually disjoined state, cannot, strictly speaking, be the human form, but only a diagram of it.
They gave us a diagram of man's existence from the cradle to the grave and set up warning signs at every dangerous point.
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