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Leucaspius dilineatus (Heckel).
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Rhodeus amarus.
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Head of Chondrostoma genei Seen from Below.
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Head of Day-chub, Exoglossum maxillingua (Le Sueur). Shanendoah River.
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Abramis elongatus (Agassiz).
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Head of Leuciscus pigus, Seen from Below.
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Male horned dace picking up a stone. His lips are grasping it.
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Notropis fumeus Evermann. Type. Hunter Creek, Houston, Texas.
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American Roach : Leuciscus rutilus.
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Pharyngeal Teeth of Rhodeus amarus.
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Leuciscus scardafa--Scales:. a, Above the lateral line; b, in the lateral line
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Aspius rapax (Agassiz).
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Minnow. Notropis telescopus.
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Leuciscus pigus (Lacepede), variety Virgo (Heckel).
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Male horned dace about to drop a stone which he carries in his mouth.
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Notropis lermae, new species.
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Leuciscus rutilus (Linnaeus).
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Notropis metallicus Jordan and Meek.
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Hybopsis crameri, new species.
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Pharyngeal Teeth of Aspius rapax.
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Gobio Uranoscopus.
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Notropis calientis Jordan & Snyder, new species. Type.
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Male horned dace pushing along the bottom a stone too big to carry.
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Barbus quinquemaculatus.