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Callichthys armatus, from the Upper Amazon.
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Homodiaetus anisitsi Eigenmann and Ward (Type).
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Hemiodontichthys acipenserinus (KJner).
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Hypostoma squalinum.
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Corydoras microps Eigenmann and Kennedy.
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Otocinclus vittalus Regan.
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Unarmed Eremophilus (1); Pimelodus of the Volcanos (2).
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Plecostomus derbyi Haseman. Type.
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New Plecostomus, One of the Mailed Catfishes.
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Acanthicus histrix. Fort St. Joaquim in the Distance.
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Acestridium discus Haseman. Type.
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Plecostomus derbyi Haseman. Dorsal view of type.
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Corydoras aurofrenatus Eigenmann and Kennedy.
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Loricaria lanceolata, Upper Amazon.
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Plecostomus derbyi Haseman. Ventral view of type.
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