Harrison Gray Dyar Jr.

Harrison Gray Dyar Jr. (February 14, 1866 – January 21, 1929) was an American entomologist. Dyar's Law, a pattern of geometric progression in the growth of insect parts, is named after him. He was also noted for eccentric pursuits which included digging tunnels under his home. He had a complicated personal life and along with his second wife he adopted the Baháʼí Faith. Provided by Wikipedia
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  1. 1
    On the Specific Distinctness of Halisidota Harrisii, With Notes on the Preparatory Stages of the Species of Halisidota Inhabiting New York

    On the Specific Distinctness of Halisidota Harrisii, With Notes on the Preparatory Stages of the Species of Halisidota Inhabiting New York by Harrison G. Dyar

    Published 1891-01-01
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  2. 2
    Life Histories of North American Geometridae.—I

    Life Histories of North American Geometridae.—I by Harrison G. Dyar

    Published 1899-01-01
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  3. 3
    Life Histories of North American Geometridae—XXXII

    Life Histories of North American Geometridae—XXXII by Harrison G. Dyar

    Published 1902-01-01
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  4. 4
    Life Histories of North American Geometridae—LIX

    Life Histories of North American Geometridae—LIX by Harrison G. Dyar

    Published 1905-01-01
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  5. 5
    Life Histories of North American Geometridae. —IV

    Life Histories of North American Geometridae. —IV by Harrison G. Dyar

    Published 1899-01-01
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  6. 6
    Preparatory Stages of Pheosia Portlandia Hy. Edw.

    Preparatory Stages of Pheosia Portlandia Hy. Edw. by Harrison G. Dyar

    Published 1892-01-01
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  7. 7
    Life Histories of North American Geometridae—XXXV

    Life Histories of North American Geometridae—XXXV by Harrison G. Dyar

    Published 1902-01-01
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  8. 8
    The Larvae of Two Saturnians

    The Larvae of Two Saturnians by Harrison G. Dyar

    Published 1897-01-01
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  9. 9
    Six New or Little Known Larvae of Pterophoridae

    Six New or Little Known Larvae of Pterophoridae by Harrison G. Dyar

    Published 1898-01-01
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  10. 10
    The Number of Larval Stages in the Genus Nadata

    The Number of Larval Stages in the Genus Nadata by Harrison G. Dyar

    Published 1892-01-01
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  11. 11
    Life History of Euchaetes Eglenensis and Comparison With E. Collaris

    Life History of Euchaetes Eglenensis and Comparison With E. Collaris by Harrison G. Dyar

    Published 1897-01-01
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  12. 12
    Notes on Two Species of Datana With Descriptions of Their Larval Stages

    Notes on Two Species of Datana With Descriptions of Their Larval Stages by Harrison G. Dyar

    Published 1890-01-01
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  13. 13
    Life Histories of North American Geometridae.–LV

    Life Histories of North American Geometridae.–LV by Harrison G. Dyar

    Published 1904-01-01
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  14. 14
    Life History of Syntomeida Minima Grote

    Life History of Syntomeida Minima Grote by Harrison G. Dyar

    Published 1897-01-01
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  15. 15
    The Larval Stages of Arctia Anna Grote

    The Larval Stages of Arctia Anna Grote by Harrison G. Dyar

    Published 1897-01-01
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  16. 16
    Life Histories of North American Geometridae.—XXXIX

    Life Histories of North American Geometridae.—XXXIX by Harrison G. Dyar

    Published 1903-01-01
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  17. 17
    A New Lithosian

    A New Lithosian by Harrison G. Dyar

    Published 1899-01-01
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  18. 18
    Life Histories of North American Geometridae.—LXVIII

    Life Histories of North American Geometridae.—LXVIII by Harrison G. Dyar

    Published 1907-01-01
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  19. 19
    Preparatory Stages of Cerura Multiscripta, Riley

    Preparatory Stages of Cerura Multiscripta, Riley by Harrison G. Dyar

    Published 1890-01-01
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  20. 20
    A correction

    A correction by Harrison G. Dyar

    Published 1893-01-01
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