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  1. By: Sykes, E. R. (Ernest Ruthven),
    Publication info: London, W. Wesley and Son, 1901-1903
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
  2. By: Sykes, E. R. (Ernest Ruthven),
    Publication info: [Cambridge, University Press], 1900
    Holding Institution: Smithsonian Libraries and Archives
  1. By: Sykes, E. R. (Ernest Ruthven),
    Type: Article
    In: Proceedings of the Malacological Society of London
    Volume: 7
    Date: 1907-06-01
    Page Range: 242--243
    Publication Info: London, Dulau,
  2. By: Sykes, E. R. (Ernest Ruthven),
    Type: Article
    In: Proceedings of the Malacological Society of London
    Volume: 6
    Date: 1905-06-01
    Page Range: 246--248
    Publication Info: London, Dulau,
  3. By: Sykes, E. R. (Ernest Ruthven),
    Type: Article
    In: Proceedings of the Malacological Society of London
    Volume: 8
    Date: 1909
    Page Range: 204--204
    Publication Info: London, Dulau,
  4. By: Sykes, E. R. (Ernest Ruthven),
    Type: Article
    In: Proceedings of the Malacological Society of London
    Volume: 5
    Date: 1903-06-01
    Page Range: 338--339
    Publication Info: London, Dulau,
  5. By: Sykes, E. R. (Ernest Ruthven),
    Type: Article
    In: Proceedings of the Malacological Society of London
    Volume: 4
    Date: 1901-10-01
    Page Range: 260--260
    Publication Info: London, Dulau,
  6. By: Melvill, James Cosmo - Sykes, E. R. (Ernest Ruthven),
    Type: Article
    In: Proceedings of the Malacological Society of London
    Volume: 5
    Date: 1903-10-01
    Page Range: 410--410
    Publication Info: London, Dulau,
  7. By: Sykes, E. R. (Ernest Ruthven),
    Type: Article
    In: Proceedings of the Malacological Society of London
    Volume: 4
    Date: 1901
    Page Range: 259--259
    Publication Info: London, Dulau,
  8. By: Sykes, E. R. (Ernest Ruthven),
    Type: Article
    In: Proceedings of the Malacological Society of London
    Volume: 1
    Date: 1895-07-01
    Page Range: 261--263
    Publication Info: London, Dulau,
  9. By: Sykes, E. R. (Ernest Ruthven),
    Type: Article
    In: The Journal of malacology
    Volume: 9
    Date: 1902
    Page Range: 22--23
    Publication Info: London, Dulau & Co, 1894-[1905]
  10. By: Sykes, E. R. (Ernest Ruthven),
    Type: Article
    In: Proceedings of the Malacological Society of London
    Volume: 2
    Date: 1897-07-01
    Page Range: 233--238
    Publication Info: London, Dulau,
  11. By: Sykes, E. R. (Ernest Ruthven),
    Type: Article
    In: Proceedings of the Malacological Society of London
    Volume: 3
    Date: 1898-07-01
    Page Range: 63--64
    Publication Info: London, Dulau,
  12. By: Sykes, E. R. (Ernest Ruthven),
    Type: Article
    In: Proceedings of the Malacological Society of London
    Volume: 6
    Date: 1904-06-01
    Page Range: 112--113
    Publication Info: London, Dulau,
  13. By: Sykes, E. R. (Ernest Ruthven),
    Type: Article
    In: Proceedings of the Malacological Society of London
    Volume: 3
    Date: 1898-07-01
    Page Range: 65--74
    Publication Info: London, Dulau,
  14. By: Sykes, E. R. (Ernest Ruthven),
    Type: Article
    In: Fauna hawaiiensis; being the land-fauna of the Hawaiian islands
    Volume: 2
    Date: 1900
    Page Range: 271--412
    Publication Info: Cambridge [England], The University press, 1913
  15. By: Sykes, E. R. (Ernest Ruthven),
    Type: Article
    In: Transactions of the Linnean Society of London
    Volume: 13
    Series: 2
    Date: 1909
    Page Range: 57--64
    Publication Info: London, [The Society], 1879-
  16. By: Sykes, E. R. (Ernest Ruthven),
    Type: Article
    In: Proceedings of the Malacological Society of London
    Volume: 5
    Date: 1903-04-01
    Page Range: 260--260
    Publication Info: London, Dulau,
  17. By: Sykes, E. R. (Ernest Ruthven),
    Type: Article
    In: The Nautilus
    Volume: 13
    Date: 1899
    Page Range: 86--87
    Publication Info: Melbourne, Fla., etc American Malacologists, inc., etc
  18. By: Sykes, E. R. (Ernest Ruthven),
    Type: Article
    In: Proceedings of the Malacological Society of London
    Volume: 6
    Date: 1905-03-01
    Page Range: 225--226
    Publication Info: London, Dulau,
  19. By: Melvill, James Cosmo - Sykes, E. R. (Ernest Ruthven),
    Type: Article
    In: Proceedings of the Malacological Society of London
    Volume: 2
    Date: 1897-04-01
    Page Range: 164--172
    Publication Info: London, Dulau,
  20. By: Melvill, James Cosmo - Sykes, E. R. (Ernest Ruthven),
    Type: Article
    In: Proceedings of the Malacological Society of London
    Volume: 3
    Date: 1899-03-01
    Page Range: 220--229
    Publication Info: London, Dulau,
  21. By: Sykes, E. R. (Ernest Ruthven),
    Type: Article
    In: Proceedings of the Malacological Society of London
    Volume: 3
    Date: 1898-12-01
    Page Range: 159--161
    Publication Info: London, Dulau,
  22. By: Sykes, E. R. (Ernest Ruthven),
    Type: Article
    In: Proceedings of the Malacological Society of London
    Volume: 5
    Date: 1903-10-01
    Page Range: 348--353
    Publication Info: London, Dulau,
  23. By: Sykes, E. R. (Ernest Ruthven),
    Type: Article
    In: Proceedings of the Malacological Society of London
    Volume: 1
    Date: 1894-03-01
    Page Range: 35--37
    Publication Info: London, Dulau,
  24. By: Sykes, E. R. (Ernest Ruthven),
    Type: Article
    In: Proceedings of the Malacological Society of London
    Volume: 4
    Date: 1901-07-01
    Page Range: 220--222
    Publication Info: London, Dulau,
  25. By: Sykes, E. R. (Ernest Ruthven),
    Type: Article
    In: Proceedings of the Malacological Society of London
    Volume: 5
    Date: 1902-10-01
    Page Range: 189--194
    Publication Info: London, Dulau,
  26. By: Sykes, E. R. (Ernest Ruthven),
    Type: Article
    In: The Journal of malacology
    Volume: 9
    Date: 1902
    Page Range: 60--63
    Publication Info: London, Dulau & Co, 1894-[1905]
  27. By: Sykes, E. R. (Ernest Ruthven),
    Type: Article
    In: Proceedings of the Malacological Society of London
    Volume: 5
    Date: 1902-10-01
    Page Range: 196--200
    Publication Info: London, Dulau,
  28. By: Sykes, E. R. (Ernest Ruthven),
    Type: Article
    In: Proceedings of the Malacological Society of London
    Volume: 1
    Date: 1895-03-01
    Page Range: 218--218
    Publication Info: London, Dulau,
  29. By: Sykes, E. R. (Ernest Ruthven),
    Type: Article
    In: Proceedings of the Malacological Society of London
    Volume: 2
    Date: 1896-10-01
    Page Range: 107--107
    Publication Info: London, Dulau,
  30. By: Sykes, E. R. (Ernest Ruthven),
    Type: Article
    In: Proceedings of the Malacological Society of London
    Volume: 5
    Date: 1902-04-01
    Page Range: 20--20
    Publication Info: London, Dulau,
  31. By: Sykes, E. R. (Ernest Ruthven),
    Type: Article
    In: Proceedings of the Malacological Society of London
    Volume: 1
    Date: 1893-10-01
    Page Range: 28--30
    Publication Info: London, Dulau,
  32. By: Sykes, E. R. (Ernest Ruthven),
    Type: Article
    In: Proceedings of the Malacological Society of London
    Volume: 7
    Date: 1906-09-01
    Page Range: 191--194
    Publication Info: London, Dulau,
  33. By: Sykes, E. R. (Ernest Ruthven),
    Type: Article
    In: Proceedings of the Malacological Society of London
    Volume: 4
    Date: 1900-10-01
    Page Range: 114--115
    Publication Info: London, Dulau,
  34. By: Sykes, E. R. (Ernest Ruthven),
    Type: Article
    In: Proceedings of the Zoological Society of London
    Volume: 1903
    Date: 1903
    Page Range: 194--199
    Publication Info: London, Academic Press, [etc.], 1833-1965
  35. By: Sykes, E. R. (Ernest Ruthven),
    Type: Article
    In: Proceedings of the Malacological Society of London
    Volume: 6
    Date: 1904-03-01
    Page Range: 23--40
    Publication Info: London, Dulau,
  36. By: Sykes, E. R. (Ernest Ruthven),
    Type: Article
    In: Proceedings of the Malacological Society of London
    Volume: 6
    Date: 1905-09-01
    Page Range: 322--332
    Publication Info: London, Dulau,
  37. By: Sykes, E. R. (Ernest Ruthven),
    Type: Article
    In: Proceedings of the Malacological Society of London
    Volume: 7
    Date: 1906-09-01
    Page Range: 173--190
    Publication Info: London, Dulau,
  38. By: Sykes, E. R. (Ernest Ruthven),
    Type: Article
    In: Proceedings of the Malacological Society of London
    Volume: 1
    Date: 1894-06-01
    Page Range: 132--136
    Publication Info: London, Dulau,
  39. By: Sykes, E. R. (Ernest Ruthven),
    Type: Article
    In: Proceedings of the Malacological Society of London
    Volume: 6
    Date: 1905-03-01
    Page Range: 227--228
    Publication Info: London, Dulau,
  40. By: Sykes, E. R. (Ernest Ruthven),
    Type: Article
    In: Proceedings of the Malacological Society of London
    Volume: 7
    Date: 1906-09-01
    Page Range: 121--121
    Publication Info: London, Dulau,
  41. By: Sykes, E. R. (Ernest Ruthven),
    Type: Article
    In: Proceedings of the Malacological Society of London
    Volume: 7
    Date: 1907-03-01
    Page Range: 201--202
    Publication Info: London, Dulau,
  42. By: Sykes, E. R. (Ernest Ruthven),
    Type: Article
    In: Proceedings of the Malacological Society of London
    Volume: 7
    Date: 1907-09-01
    Page Range: 309--310
    Publication Info: London, Dulau,
  43. By: Sykes, E. R. (Ernest Ruthven),
    Type: Article
    In: Proceedings of the Malacological Society of London
    Volume: 6
    Date: 1905-06-01
    Page Range: 248--248
    Publication Info: London, Dulau,
  44. By: Sykes, E. R. (Ernest Ruthven),
    Type: Article
    In: Proceedings of the Malacological Society of London
    Volume: 6
    Date: 1905-03-01
    Page Range: 184--185
    Publication Info: London, Dulau,
  45. By: Sykes, E. R. (Ernest Ruthven),
    Type: Article
    In: Proceedings of the Malacological Society of London
    Volume: 6
    Date: 1904-09-01
    Page Range: 129--129
    Publication Info: London, Dulau,
  46. By: Sykes, E. R. (Ernest Ruthven),
    Type: Article
    In: Proceedings of the Malacological Society of London
    Volume: 6
    Date: 1905-06-01
    Page Range: 249--250
    Publication Info: London, Dulau,
  47. By: Sykes, E. R. (Ernest Ruthven),
    Type: Article
    In: Proceedings of the Malacological Society of London
    Volume: 7
    Date: 1906-03-01
    Page Range: 1--2
    Publication Info: London, Dulau,
  48. By: Sykes, E. R. (Ernest Ruthven),
    Type: Article
    In: Proceedings of the Malacological Society of London
    Volume: 6
    Date: 1905-03-01
    Page Range: 183--183
    Publication Info: London, Dulau,
  49. By: Sykes, E. R. (Ernest Ruthven),
    Type: Article
    In: Proceedings of the Malacological Society of London
    Volume: 7
    Date: 1906-03-01
    Page Range: 2--3
    Publication Info: London, Dulau,
  50. By: Sykes, E. R. (Ernest Ruthven),
    Type: Article
    In: Proceedings of the Malacological Society of London
    Volume: 6
    Date: 1904-03-01
    Page Range: 2--2
    Publication Info: London, Dulau,
  51. By: Sykes, E. R. (Ernest Ruthven),
    Type: Article
    In: Proceedings of the Malacological Society of London
    Volume: 2
    Date: 1896-10-01
    Page Range: 126--132
    Publication Info: London, Dulau,
  52. By: Sykes, E. R. (Ernest Ruthven),
    Type: Article
    In: Proceedings of the Malacological Society of London
    Volume: 2
    Date: 1897-11-01
    Page Range: 298--299
    Publication Info: London, Dulau,
  53. By: Sykes, E. R. (Ernest Ruthven),
    Type: Article
    In: Proceedings of the Malacological Society of London
    Volume: 6
    Date: 1905-06-01
    Page Range: 253--271
    Publication Info: London, Dulau,
  54. By: Sykes, E. R. (Ernest Ruthven),
    Type: Article
    In: Proceedings of the Malacological Society of London
    Volume: 2
    Date: 1896-07-01
    Page Range: 84--93
    Publication Info: London, Dulau,
  55. By: Sykes, E. R. (Ernest Ruthven),
    Type: Article
    In: The Journal of the Linnean Society of London. Zoology
    Volume: 31
    Issue: 203
    Date: 1907
    Page Range: 31--34
    Publication Info: London, Academic Press [etc.], 1865-1968
  56. By: Sykes, E. R. (Ernest Ruthven),
    Type: Article
    In: Proceedings of the Malacological Society of London
    Volume: 1
    Date: 1895-03-01
    Page Range: 241--246
    Publication Info: London, Dulau,
  57. By: Ponsonby, J H - Sykes, E. R. (Ernest Ruthven),
    Type: Article
    In: Proceedings of the Malacological Society of London
    Volume: 1
    Date: 1894-03-01
    Page Range: 55--55
    Publication Info: London, Dulau,