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  1. By: Lewis, Henry Carvill
    Type: Article
    In: Proceedings of the Academy of Natural Sciences of Philadelphia
    Volume: 34
    Date: 1882
    Page Range: 100--102
    Publication Info: Philadelphia, Academy of Natural Sciences of Philadelphia,
  2. By: Lewis, Henry Carvill
    Type: Article
    In: Proceedings of the Academy of Natural Sciences of Philadelphia
    Volume: 35
    Date: 1883
    Page Range: 72--74
    Publication Info: Philadelphia, Academy of Natural Sciences of Philadelphia,
  3. By: Lewis, Henry Carvill
    Type: Article
    In: Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledge
    Volume: 22
    Issue: 120
    Date: 1885
    Page Range: 438--456
    Publication Info: Philadelphia, American Philosophical Society,
  4. By: Lewis, Henry Carvill
    Type: Article
    In: Proceedings of the Academy of Natural Sciences of Philadelphia
    Volume: 32
    Date: 1880
    Page Range: 282--291
    Publication Info: Philadelphia, Academy of Natural Sciences of Philadelphia,
  5. By: Lewis, Henry Carvill
    Type: Article
    In: Proceedings of the Academy of Natural Sciences of Philadelphia
    Volume: 32
    Date: 1880
    Page Range: 281--281
    Publication Info: Philadelphia, Academy of Natural Sciences of Philadelphia,
  6. By: Lewis, Henry Carvill
    Type: Article
    In: Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledge
    Volume: 20
    Issue: 111
    Date: 1882
    Page Range: 283--291
    Publication Info: Philadelphia, American Philosophical Society,
  7. By: Lewis, Henry Carvill
    Type: Article
    In: Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledge
    Volume: 20
    Issue: 111
    Date: 1882
    Page Range: 112--117
    Publication Info: Philadelphia, American Philosophical Society,
  8. By: Lewis, Henry Carvill
    Type: Article
    In: Proceedings of the Academy of Natural Sciences of Philadelphia
    Volume: 32
    Date: 1880
    Page Range: 278--279
    Publication Info: Philadelphia, Academy of Natural Sciences of Philadelphia,
  9. By: Lewis, Henry Carvill
    Type: Article
    In: Proceedings of the Academy of Natural Sciences of Philadelphia
    Volume: 32
    Date: 1880
    Page Range: 244--251
    Publication Info: Philadelphia, Academy of Natural Sciences of Philadelphia,
  10. By: Lewis, Henry Carvill
    Type: Article
    In: Proceedings of the Academy of Natural Sciences of Philadelphia
    Volume: 32
    Date: 1880
    Page Range: 296--309
    Publication Info: Philadelphia, Academy of Natural Sciences of Philadelphia,
  11. By: Lewis, Henry Carvill
    Type: Article
    In: Proceedings of the Academy of Natural Sciences of Philadelphia
    Volume: 36
    Date: 1884
    Page Range: 185--187
    Publication Info: Philadelphia, Academy of Natural Sciences of Philadelphia,