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The same, showing the other organs. g brain, au eye, na olfactory pit, n nerves, h testicles, male symbol male aperture, female symbol female aperture, e ovary, f ciliated epiderm. Next to the ancient stem-group of the Turbellaria come a number of more recent chordonia ancestors, which we class with the Vermalia or Helminthes, the unarticulated worms.
But never surely in all books, in all words of thinking men, can there be so much expressed as lay unarticulated in that cry of the Son of God. Now had he made his Father Lord no longer in the might of making and loving alone, but Lord in right of devotion and deed of love.
As we saw there, the unarticulated Tunicates and the articulated Vertebrates must be regarded as two independent stems, that have developed in divergent directions. But the common root of the two stems, the extinct group of the Prochordonia, must be sought in the vermalia stem; and of all the living Vermalia those we have considered give us the safest clue to their origin.
It is incontestable that the musculature of the Vertebrates has been evolved from that of lower Invertebrates; and among these we have to consider especially the unarticulated Vermalia. They have a simple cutaneous muscular layer, developing from the mesoderm.
Among the three or four million cradles now rocking in the land are some which this nation would preserve for ages as sacred things, if we could know which ones they are. In one of those cradles the unconscious Farragut of the future is at this moment teething think of it! and putting in a world of dead earnest, unarticulated, but perfectly justifiable profanity over it, too.
All this time she appeared to speak, but the words were unarticulated, though, from the expression of every feature, it was evident that indignation and reproach made up the entire amount of everything she had to express.
But there is another remarkable particular here, which, as far as I can remember, would be alone in its kind but for a fuller development of it at the raising of Lazarus. "And looking up to heaven, he sighed." What did it mean? What first of all was it? That look, was it not a look up to his own Father? That sigh, was it not the unarticulated prayer to the Father of the man who stood beside him?
In the unarticulated stem-forms of the Chordonia, which we have called the Prochordonia, the two coelom-pouches, and therefore also the muscle-plates of their walls, were not yet segmented. This segmentation of the muscles was the momentous historical process with which vertebration, and the development of the vertebrate stem, began.
In reality the ribs are merely large and independent lower vertebral arches, which have lost their original connection with the vertebral bodies. It will be remembered that in the human embryo and that of the other vertebrates we find at first, instead of the segmented column, only a simple unarticulated cartilaginous rod.
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