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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Pulfrey, William
    Type: Article
    In: Journal of The East Africa Natural History Society
    Volume: XIX
    Issue: 1 & 2
    Date: 1946
    Page Range: 51-61
  2. By: Pulfrey, William
    Type: Article
    In: Journal of The East Africa Natural History Society
    Volume: XXII
    Issue: 1
    Date: 1953
    Page Range: 23-34