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Hippocampus abdominalis.
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Siphostoma starksii.
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Microphis brachyurus (Bleeker).
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Leptonotus costatus.
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Sea-horse, Hippocampus hudsonius Dekay. Virginia.
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Phyllopteryx eques.
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Lined Seahorse (Hippocampus erectus), Atlantic Ocean
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Syngnathus curtirostris.
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Hippocampus Mannulus #1; Hippocampus Comes.
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Sea-horse, Hippocampus hudsonius Dekay. Virginia.
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Phyllopteryx eques.
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Lined Seahorse (Hippocampus erectus), Gulf of Mexico
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Syngnathus acus (male), with sub-caudal pouch.
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Hippocampus sindonis Jordan & Snyder.
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Sea-Horse. Hippocampus hudsonius.
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Hippocampus fisheri Jordan & Evermann; from the type.
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Japanese Sea-horse, Hippocampus mohnikei Bleeker. Misaki, Japan.
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Hippocampus antiquorum, the Sea Horse.
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Stigmatopora argus.
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Doryichthys spaniaspis Jordan & Scale, new species. Type.
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Hippocampus barbouri, new species. Type.
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Sea Horse. Hippocampus heptagonus, Raf.
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Hippocampus hilonis Jordan & Evermann.
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Hippocampus breviceps.