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Cardinal Tetra (Paracheirodon axelrodi)
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Deuterodon iguape Eigenmann (Type).
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Gasteropelecus stellatus Kner, an Extremely Swell Characin. This is connected by many intermediate forms with normal-shaped species.
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Chalceus macrolepidotus.
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Erythrinus. Rubellio; Pagellus Erythrinus
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Rooseveltiella altus (Gill). No. 21432 U. S. N. M., presumably the type. 155 mm. long. Napo, on Marathon River. Collected by Orton.
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Premaxillary and mandibular teeth of Rooseveltiella notatus (Lutken).
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Myletes pacu, Native of the Essequibo, Guiana.
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Myletes pacu; Native of the Essequibo, Guiana.
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Schizodon borelli Boulenter.
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Schizodon fasciatus.
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Chalceus angulatus, Spix.
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Dentition of Serrasalmo brandii Reinhardt.
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Spintherobolus and Glandulocauda.
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Curimatus brevipes.
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Probolodus and Psalidodon.
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Prochilodus Rubro-Leniatus.
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Tetragonopterus alleni Eigenmann and McAtee.
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Brycon dentex Gunther. Family Characidae. Nicaragua.
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Hydrocyon armatus.
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Dentition of a large specimen of Myleus pacu Humboldt.
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Piaractus nigripinn is (Cope). C.M. No.5635. 192 mm. Santarem.
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Serrasalmo brandti Reinhardt. 1. C.M. No.5766. 59 mm. Pirafora. 2. C.M. No.5766. 85mm. Pirafora. 3. C.M. No.5762. 123 mm. Joazeiro. 4. C.M. 5762. 170b mm. Joazeiro..
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Prochilodus beani.
