File:The origin and evolution of life, on the theory of action, reaction and interaction of energy (1917) (14785969623).jpg

Identifier: originevolutiono00osbo (find matches)
Title: The origin and evolution of life, on the theory of action, reaction and interaction of energy
Year: 1917 (1910s)
Authors: Osborn, Henry Fairfield, 1857-1935
Subjects: Evolution Life -- Origin
Publisher: New York, C. Scribner's Sons
Contributing Library: MBLWHOI Library
Digitizing Sponsor: MBLWHOI Library

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c, chromatin)announced by Weismann in 1883, for it is in the heredity-chromatin^ that the ideal form is not only preserved, butthrough subdivision carried into the germ-cells of all thepresent and succeeding generations. It would appear, according to this interpretation, that thecontinuity of life since it first appeared in Archaeozoic time isthe continuity of the physicochemical energies of the chroma-tin; the development of the individual life is an unfolding ofthe energies taken within the body under the directing agency ^ Minchin, E. A., 1916, pp. 18,19. - Richards, A., 1915, p. 291. The term chromatin or heredity-chromatin as here used is equivalent to the germ-plasm of Weismann or the stirp of Galton. It is the visible centre of theenergy complex of heredity, the larger part of which is by its nature invisible. Chro-matin, although within our microscopic vision, is to be conceived as a gross manifesta-tion of the infinite energy complex of heredity, which is a cosmos in itself.
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Fig. 14. Bulk of Curomatin ix Sequoia and Trillium Compared. Chromatin rods in an embryonic cell of the Sequoia compared with those in an embryonic cell of the smallwood-plant known as the Trinity-flower (Trillium). The chromatin of Sequoia (Sc), which contains allthe characters, potential and casual, of the giant tree, is less in bulk than the chromatin of Trillium (Tc).S. Sequoia washingtoiiia, or gj.?a«/ea, the Big Tree of California. The tree known as General Sherman, shown here, is 279% feet high above ground, its largest circumference is 102^ feet, and its greatest diameter is ,56i feet.Sc. Part of the germcell of the nearly allied species. Sequoia semperdrens, the redwood, with the darkly stained chromatin rods in the centre. About 1,000 times actual size. The redwood is but little inferior in size to the Big Tree. After Goodspeed.T. Trillium.To. Part of the germ cell of Trillium sessile, showing the darkly stained chromatin rods in the same phase and with the same magnificati

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