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  1. Die Protozoen als Krankheitserreger : Nachtraege.
    By: Pfeiffer, L.
    Edition: 2. sehr erweiterte Aufl.
    Publication info: Jena :G. Fischer,1895.
    Contributed by: MBLWHOI Library
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  1. Description of a new Helix and Streptaxis, from the collection of H. Cuming, Esq
    By: Pfeiffer, L. (Ludwig), 1842-1921
    Type: Article
    In: Annals And Magazine of Natural History
    Volume: 4
    Series: 2
    Date: 1849
    Page Range: 78--79
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  2. Description of a new Pupina and two new Helicinas, from the collection of H. Cuming, Esq
    By: Pfeiffer, L. (Ludwig), 1842-1921
    Type: Article
    In: Proceedings of the Zoological Society of London
    Volume: 1850
    Date: 1851
    Page Range: 97--98
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  3. Descriptions of eighteen new species of land snails, from the collection of H. Cuming, Esq
    By: Pfeiffer, L. (Ludwig), 1842-1921
    Type: Article
    In: Proceedings of the Zoological Society of London
    Volume: 20
    Date: 1854
    Page Range: 83--87
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  4. Descriptions of forty-seven new species of land shells, from the collection of H. Cuming, Esq
    By: Pfeiffer, L. (Ludwig), 1842-1921
    Type: Article
    In: Proceedings of the Zoological Society of London
    Volume: 1861
    Date: 1861
    Page Range: 20--29
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  5. DESCRIPTIONS OF TEN NEW SPECIES OF BULIMUS, FROM THE COLLECTION OF H. CUMING, ESQ
    By: Pfeiffer, L. (Ludwig), 1842-1921
    Type: Article
    In: Proceedings of The Zoological Society of London
    Volume: 1858
    Date: 1858
    Page Range: 256--258
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  6. Descriptions of ten new species of land-shells from the collection of George French Angas, Esq
    By: Pfeiffer, L. (Ludwig), 1842-1921
    Type: Article
    In: Proceedings of the Zoological Society of London
    Volume: 1863
    Date: 1864
    Page Range: 526--529
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  7. Descriptions of thirty-six new land-shells, from the collection of H. Cuming, Esq
    By: Pfeiffer, L. (Ludwig), 1842-1921
    Type: Article
    In: Proceedings of the Zoological Society of London
    Volume: 1862
    Date: 1863
    Page Range: 268--278
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  8. Descriptions of thirty-six new species of land-shells from Mr H. Cuming's collection
    By: Pfeiffer, L. (Ludwig), 1842-1921
    Type: Article
    In: Proceedings of the Zoological Society of London
    Volume: 1860
    Date: 1860
    Page Range: 133--141
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  9. Descriptions of twelve new species of Vitrina and Succinea from the collection of H. Cuming, Esq
    By: Pfeiffer, L. (Ludwig), 1842-1921
    Type: Article
    In: Proceedings of the Zoological Society of London
    Volume: 1849
    Date: 1850
    Page Range: 132--134
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  10. Descriptions of twenty-seven new species of land-shells from the collection of H. Cuming
    By: Pfeiffer, L. (Ludwig), 1842-1921
    Type: Article
    In: Proceedings of the Zoological Society of London
    Volume: 1859
    Date: 1859
    Page Range: 23--29
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