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  1. By: Ells, R. W.
    Type: Article
    In: The Ottawa naturalist
    Volume: 9
    Issue: 10
    Date: 1896-01
    Page Range: 200--203
    Publication Info: Ottawa, Ottawa Field-Naturalists' Club,
  2. By: Ells, R. W.
    Type: Article
    In: The Ottawa naturalist
    Volume: 15
    Issue: 1
    Date: 1901-04
    Page Range: 17--30
    Publication Info: Ottawa, Ottawa Field-Naturalists' Club,
  3. By: Ells, R. W.
    Type: Article
    In: The Ottawa naturalist
    Volume: 4
    Issue: 12
    Date: 1891-03
    Page Range: 201--225
    Publication Info: Ottawa, Ottawa Field-Naturalists' Club,
  4. By: Ells, R. W.
    Type: Article
    In: The Ottawa naturalist
    Volume: 6
    Issue: 10
    Date: 1893-02
    Page Range: 157--159
    Publication Info: Ottawa, Ottawa Field-Naturalists' Club,
  5. By: Ells, R. W.
    Type: Article
    In: The Ottawa naturalist
    Volume: 2
    Issue: 10-11
    Date: 1889-01
    Page Range: 117--135
    Publication Info: Ottawa, Ottawa Field-Naturalists' Club,
  6. By: Ells, R. W.
    Type: Article
    In: The Ottawa naturalist
    Volume: 11
    Issue: 10
    Date: 1898-01
    Page Range: 177--189
    Publication Info: Ottawa, Ottawa Field-Naturalists' Club,
  7. By: Ells, R. W.
    Type: Article
    In: The Ottawa naturalist
    Volume: 3
    Issue: 4
    Date: 1890-01
    Page Range: 119--145
    Publication Info: Ottawa, Ottawa Field-Naturalists' Club,
  8. By: Ells, R. W.
    Type: Article
    In: The Ottawa naturalist
    Volume: 8
    Issue: 7
    Date: 1894
    Page Range: 113--114
    Publication Info: Ottawa, Ottawa Field-Naturalists' Club,
  9. By: Ells, R. W.
    Type: Article
    In: The Ottawa naturalist
    Volume: 8
    Issue: 9
    Date: 1894
    Page Range: 139--141
    Publication Info: Ottawa, Ottawa Field-Naturalists' Club,
  10. By: Ells, R. W.
    Type: Article
    In: The Ottawa naturalist
    Volume: 10
    Issue: 9
    Date: 1896-12
    Page Range: 165--173
    Publication Info: Ottawa, Ottawa Field-Naturalists' Club,
  11. By: Ells, R. W.
    Type: Article
    In: The Ottawa naturalist
    Volume: 10
    Issue: 1
    Date: 1896-04
    Page Range: 24--27
    Publication Info: Ottawa, Ottawa Field-Naturalists' Club,
  12. By: Ells, R. W.
    Type: Article
    In: The Ottawa naturalist
    Volume: 9
    Issue: 8
    Date: 1895-11
    Page Range: 157--166
    Publication Info: Ottawa, Ottawa Field-Naturalists' Club,
  13. By: Ells, R. W.
    Type: Article
    In: The Ottawa naturalist
    Volume: 16
    Issue: 3
    Date: 1902-06
    Page Range: 59--69
    Publication Info: Ottawa, Ottawa Field-Naturalists' Club,
  14. By: Ells, R. W.
    Type: Article
    In: The Ottawa naturalist
    Volume: 13
    Issue: 1
    Date: 1899-04
    Page Range: 14--21
    Publication Info: Ottawa, Ottawa Field-Naturalists' Club,
  15. By: Ells, R. W.
    Type: Article
    In: The Ottawa naturalist
    Volume: 13
    Issue: 2
    Date: 1899-05
    Page Range: 25--46
    Publication Info: Ottawa, Ottawa Field-Naturalists' Club,
  16. By: Ells, R. W.
    Type: Article
    In: The Ottawa naturalist
    Volume: 3
    Issue: 2
    Date: 1889-07
    Page Range: 45--57
    Publication Info: Ottawa, Ottawa Field-Naturalists' Club,
  17. By: Ells, R. W.
    Type: Article
    In: The Ottawa naturalist
    Volume: 21
    Issue: 5
    Date: 1907-08
    Page Range: 73--79
    Publication Info: Ottawa, Ottawa Field-Naturalists' Club,
  18. By: Ells, R. W.
    Type: Article
    In: The Ottawa naturalist
    Volume: 11
    Issue: 9
    Date: 1897-12
    Page Range: 173--176
    Publication Info: Ottawa, Ottawa Field-Naturalists' Club,
  19. By: Ells, R. W.
    Type: Article
    In: The Ottawa naturalist
    Volume: 8
    Issue: 7
    Date: 1894
    Page Range: 104--107
    Publication Info: Ottawa, Ottawa Field-Naturalists' Club,
  20. By: Ells, R. W.
    Type: Article
    In: The Ottawa naturalist
    Volume: 9
    Issue: 1
    Date: 1895-04
    Page Range: 9--11
    Publication Info: Ottawa, Ottawa Field-Naturalists' Club,
  21. By: Ami, Henry M. (Henry Marc), - Ells, R. W. - Ferrier, W. F.
    Type: Article
    In: The Ottawa naturalist
    Volume: 8
    Issue: 7
    Date: 1894
    Page Range: 102--104
    Publication Info: Ottawa, Ottawa Field-Naturalists' Club,
  22. By: Ells, R. W.
    Type: Article
    In: The Ottawa naturalist
    Volume: 10
    Issue: 1
    Date: 1896-04
    Page Range: 17--18
    Publication Info: Ottawa, Ottawa Field-Naturalists' Club,
  23. By: Ami, Henry M. (Henry Marc), - Ells, R. W.
    Type: Article
    In: The Ottawa naturalist
    Volume: 11
    Issue: 1
    Date: 1897-04
    Page Range: 17--19
    Publication Info: Ottawa, Ottawa Field-Naturalists' Club,
  24. By: Ells, R. W.
    Type: Article
    In: The Ottawa naturalist
    Volume: 5
    Issue: 9
    Date: 1892-01
    Page Range: 161--179
    Publication Info: Ottawa, Ottawa Field-Naturalists' Club,