An Examination of Weismannism

Name: An Examination of Weismannism
Author: Romanes, George John

Romanes, George John

Evolution (Biology); Heredity; Weismann, August, 1834-1914

=Weismann, Prof. August.=, theory of germ-plasm, 5, 17, 173 _et seq._;
    on the duration of life, 7, 10;
    on the essential meaning of sexual propagation, 11, 103, 135, 141;
    on natural selection as the origin of sexual reproduction, 14;
    on Prof. Vines’ criticism, 14, 90, 99, 178 _et seq._;
    on the Protozoa and natural selection, 15, 102;
    on Lamarck, 16;
    on adaptive development, 19;
    and natural selection, 21;
    summary of theory of germ-plasm, 23;
    theory of organic evolution, 26, 48, 50, 58, 66, 68, 87, 100, 104,
          106-108, 114-115, 147;
    modifications of theory of heredity, 28, 46, 52, 65, 68, 75,
          163 _et seq._;
    and of self-multiplication of idio-plasm, 34;
    on “ontogenetic grades,” 35, 53;
    on the modification of germ-plasm, 36;
    on chromatin, 38;
    on individual differences, 39, 41, 43;
    on the size of ova, 39;
    on polar bodies, 40, 42, 46, 125;
    on the number of germ-cells, 44-45;
    on parthenogenetic ova, 45, 89, 91;
    examination of his theory of germ-plasm or heredity, 48, 85;
    on the stability and continuity of germ-plasm, 49, 63, 66, 86-89,
          91-93, 99-100, 103-105, 107, 109-110, 112-114, 120, 151, 158;
    comparison of his theory with those of Darwin and Galton, 51, 58;
    on Strasburger’s criticism of his theory, 52;
    on the multiplication of germ-plasm in the general cellular tissues
          of plants, 53;
    on regeneration in plants, 53;
    anticipated by Galton, 59, 68;
    and Galton, 63, 130 _et seq._;
    on transmission of acquired characters, 67, 83, 96, 111, 127;
    and his critics, 70;
    on the Hydromedusae, 71, 109;
    on the sexual apparatus of Invertebrates, 72;
    and the influence of germ-cells upon somatic tissues (Telegony and
          Xenia), 80-81, 196 _et seq._;
    and the significance of grafting, 81-82, 126;
    and vestigial characters, 92;
    on Hoffmann’s investigations, 93;
    on bud-variation, 95, 97, 161;
    on the origin of hereditary individual variations, 100-101;
    on the origin of new species, 101.

  Wounds, healing of, 34.


  X.

  Xenia, 78-81, 110, 141, 144, _et seq._


THE END.




Works by the same Author.


 =Animal Intelligence.= Crown 8vo, 520 pages, cloth, 5_s._ KEGAN PAUL,
 TRENCH, & CO., Paternoster Square, E.C.

 =Mental Evolution in Animals.= Demy 8vo, 411 pages, cloth, 12_s._
 KEGAN PAUL, TRENCH, & CO., Paternoster Square, E.C.

 =Mental Evolution in Man.= Origin of the Human Faculty. Demy 8vo, 452
 pages, cloth, 14_s._ KEGAN PAUL, TRENCH, & CO., Paternoster Square,
 E.C.

 =Jelly-Fish, Star-Fish, and Sea-Urchins. A Research on Primitive
 Nervous Systems.= Crown 8vo, 323 pages, cloth, 5_s._ KEGAN PAUL,
 TRENCH, & CO., Paternoster Square, E.C.

 =Darwin and after Darwin. An Exposition of the Darwinian Theory and a
 Discussion of Post-Darwinian Questions.= Part I, crown 8vo, 460 pages,
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FOOTNOTES:

Public-domain text, read in full here on John Shaqi.

Opening the text

An Examination of WeismannismRomanes, George John

Science

An Examination of Weismannism

Romanes, George John

Evolution (Biology); Heredity; Weismann, August, 1834-1914

=Weismann, Prof. August.=, theory of germ-plasm, 5, 17, 173 _et seq._;
    on the duration of life, 7, 10;
    on the essential meaning of sexual propagation, 11, 103, 135, 141;
    on natural selection as the origin of sexual reproduction, 14;
    on Prof. Vines’ criticism, 14, 90, 99, 178 _et seq._;
    on the Protozoa and natural selection, 15, 102;
    on Lamarck, 16;
    on adaptive development, 19;
    and natural selection, 21;
    summary of theory of germ-plasm, 23;
    theory of organic evolution, 26, 48, 50, 58, 66, 68, 87, 100, 104,
          106-108, 114-115, 147;
    modifications of theory of heredity, 28, 46, 52, 65, 68, 75,
          163 _et seq._;
    and of self-multiplication of idio-plasm, 34;
    on “ontogenetic grades,” 35, 53;
    on the modification of germ-plasm, 36;
    on chromatin, 38;
    on individual differences, 39, 41, 43;
    on the size of ova, 39;
    on polar bodies, 40, 42, 46, 125;
    on the number of germ-cells, 44-45;
    on parthenogenetic ova, 45, 89, 91;
    examination of his theory of germ-plasm or heredity, 48, 85;
    on the stability and continuity of germ-plasm, 49, 63, 66, 86-89,
          91-93, 99-100, 103-105, 107, 109-110, 112-114, 120, 151, 158;
    comparison of his theory with those of Darwin and Galton, 51, 58;
    on Strasburger’s criticism of his theory, 52;
    on the multiplication of germ-plasm in the general cellular tissues
          of plants, 53;
    on regeneration in plants, 53;
    anticipated by Galton, 59, 68;
    and Galton, 63, 130 _et seq._;
    on transmission of acquired characters, 67, 83, 96, 111, 127;
    and his critics, 70;
    on the Hydromedusae, 71, 109;
    on the sexual apparatus of Invertebrates, 72;
    and the influence of germ-cells upon somatic tissues (Telegony and
          Xenia), 80-81, 196 _et seq._;
    and the significance of grafting, 81-82, 126;
    and vestigial characters, 92;
    on Hoffmann’s investigations, 93;
    on bud-variation, 95, 97, 161;
    on the origin of hereditary individual variations, 100-101;
    on the origin of new species, 101.

  Wounds, healing of, 34.


  X.

  Xenia, 78-81, 110, 141, 144, _et seq._


THE END.




Works by the same Author.


 =Animal Intelligence.= Crown 8vo, 520 pages, cloth, 5_s._ KEGAN PAUL,
 TRENCH, & CO., Paternoster Square, E.C.

 =Mental Evolution in Animals.= Demy 8vo, 411 pages, cloth, 12_s._
 KEGAN PAUL, TRENCH, & CO., Paternoster Square, E.C.

 =Mental Evolution in Man.= Origin of the Human Faculty. Demy 8vo, 452
 pages, cloth, 14_s._ KEGAN PAUL, TRENCH, & CO., Paternoster Square,
 E.C.

 =Jelly-Fish, Star-Fish, and Sea-Urchins. A Research on Primitive
 Nervous Systems.= Crown 8vo, 323 pages, cloth, 5_s._ KEGAN PAUL,
 TRENCH, & CO., Paternoster Square, E.C.

 =Darwin and after Darwin. An Exposition of the Darwinian Theory and a
 Discussion of Post-Darwinian Questions.= Part I, crown 8vo, 460 pages,
 cloth, 10_s._ 6_d._ LONGMANS, GREEN, & CO., Paternoster Row, E.C.=


FOOTNOTES:

Public-domain text, read in full here on John Shaqi.

An Examination of Weismannism

An Examination of Weismannism

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