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  1. By: Howell, A H
    Type: Article
    In: Proceedings of the Biological Society of Washington
    Volume: 24
    Date: 1911
    Page Range: 98--99
    Publication Info: Washington, Biological Society of Washington,
  2. By: Howell, A H
    Type: Article
    In: Proceedings of the Biological Society of Washington
    Volume: 22
    Date: 1909
    Page Range: 45--47
    Publication Info: Washington, Biological Society of Washington,
  3. By: Howell, A H
    Type: Article
    In: Proceedings of the Biological Society of Washington
    Volume: 33
    Date: 1920
    Page Range: 91--92
    Publication Info: Washington, Biological Society of Washington,
  4. By: Howell, A H
    Type: Article
    In: Proceedings of the Biological Society of Washington
    Volume: 29
    Date: 1916
    Page Range: 83--84
    Publication Info: Washington, Biological Society of Washington,
  5. By: Howell, A H
    Type: Article
    In: Proceedings of the Biological Society of Washington
    Volume: 30
    Date: 1917
    Page Range: 105--106
    Publication Info: Washington, Biological Society of Washington,
  6. By: Howell, A H
    Type: Article
    In: Proceedings of the Biological Society of Washington
    Volume: 26
    Date: 1913
    Page Range: 139--140
    Publication Info: Washington, Biological Society of Washington,
  7. By: Howell, A H
    Type: Article
    In: Proceedings of the Biological Society of Washington
    Volume: 28
    Date: 1915
    Page Range: 109--113
    Publication Info: Washington, Biological Society of Washington,
  8. By: Howell, A H
    Type: Article
    In: Proceedings of the Biological Society of Washington
    Volume: 32
    Date: 1919
    Page Range: 105--110
    Publication Info: Washington, Biological Society of Washington,
  9. By: Howell, A H
    Type: Article
    In: Proceedings of the Biological Society of Washington
    Volume: 41
    Date: 1928
    Page Range: 211--214
    Publication Info: Washington, Biological Society of Washington,
  10. By: Howell, A H
    Type: Article
    In: Proceedings of the Biological Society of Washington
    Volume: 49
    Date: 1936
    Page Range: 133--136
    Publication Info: Washington, Biological Society of Washington,
  11. By: Howell, A H
    Type: Article
    In: Proceedings of the Biological Society of Washington
    Volume: 26
    Date: 1913
    Page Range: 199--202
    Publication Info: Washington, Biological Society of Washington,
  12. By: Howell, A H
    Type: Article
    In: Proceedings of the Biological Society of Washington
    Volume: 45
    Date: 1932
    Page Range: 125--126
    Publication Info: Washington, Biological Society of Washington,
  13. By: Howell, A H
    Type: Article
    In: Proceedings of the Biological Society of Washington
    Volume: 15
    Date: 1902
    Page Range: 1--9
    Publication Info: Washington, Biological Society of Washington,
  14. By: Howell, A H
    Type: Article
    In: Proceedings of the Biological Society of Washington
    Volume: 56
    Date: 1943
    Page Range: 67--68
    Publication Info: Washington, Biological Society of Washington,
  15. By: Howell, A H
    Type: Article
    In: Proceedings of the Biological Society of Washington
    Volume: 55
    Date: 1942
    Page Range: 13--14
    Publication Info: Washington, Biological Society of Washington,
  16. By: Howell, A H
    Type: Article
    In: Proceedings of the Biological Society of Washington
    Volume: 21
    Date: 1908
    Page Range: 35--37
    Publication Info: Washington, Biological Society of Washington,
  17. By: Howell, A H
    Type: Article
    In: Proceedings of the Biological Society of Washington
    Volume: 23
    Date: 1910
    Page Range: 23--33
    Publication Info: Washington, Biological Society of Washington,
  18. By: Howell, A H
    Type: Article
    In: Proceedings of the Biological Society of Washington
    Volume: 22
    Date: 1909
    Page Range: 55--68
    Publication Info: Washington, Biological Society of Washington,
  19. By: Howell, A H
    Type: Article
    In: Proceedings of the Biological Society of Washington
    Volume: 21
    Date: 1908
    Page Range: 119--124
    Publication Info: Washington, Biological Society of Washington,
  20. By: Howell, A H
    Type: Article
    In: Proceedings of the Biological Society of Washington
    Volume: 27
    Date: 1914
    Page Range: 13--18
    Publication Info: Washington, Biological Society of Washington,
  21. By: Howell, A H
    Type: Article
    In: Proceedings of the Biological Society of Washington
    Volume: 56
    Date: 1943
    Page Range: 73--75
    Publication Info: Washington, Biological Society of Washington,