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Ischyrocerus anguipes, male. Marblehead Beach, Massachusetts.
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Stegocephalus inflatus. Off Head Harbor, Maine.
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Idotea bienspida.
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Mysis sternolepis.
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Hyperia galba, Female.
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Holophryxus alaskensis, Maxilliped (9), Holophryxus alaskensis, terminal segment of first lamella of incubatory plates (10).
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Tryphosa pinguis. Vineyard Sound.
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Byblis serrata. Woods Hole.
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Bathynomus giganteus. From a depth of 1,740 metres (From Filhol.)
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Idotea marina.
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Limnoria lignorum (Rathke). Fig.s1-4. Young stages.; Fig.6, 7 and 9. Females with eggs
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Gammarus marinus. Woods Hole.
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Leucothoe spinicarpa. Grand Manan.
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Armadillidium vulgare.
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Bathynomus giganteus.
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Cirolana borealis.
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Limnoria lignorum, the gribble.
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Wood-Louse (Porcellio scaber), one of the Isopoda.
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Sympleustes latipes. Grand Manan.
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Gribble, Limnoria lignorum, White.
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Cymothoa astrum, an Isopod parasite of fish.
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Creosoted pile cut off too close above the water. Limnoria attacking top of pile and the corbel. High water point is indicated by the barnacle line.
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Creosoted pile attached by Limnoria where pile was dapped for attaching ribbing.
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Calliopius laeviusculus. Vineyard Sound.