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Sergestes robustus, spined variety, station 4041 (1). Seyllarus martensi, female, station 3872 (2)
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Ovalipes ocellatus, the lady-crab.
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Ucides cordatus.
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Gelasimus tangeri, Male Above, Female Below. West Africa.
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Astacus klamathensis Stimpson. Male. Portland, Or. Both of the chelipeds are secont growths, the left the older.
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Cirolana concharum.
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Epimeria loricata. Off Head Harbor, Maine.
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Gecarcinus quadratus.
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Hapalopoda investigator, A. Milne Edwards. Crustace voisin des Penees, vivant a 1900 metres de profonduer et ayant ses deux dernieres paires de pattes transformees en organes de tact
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Pollack. Whiting Pollark; Asellus huitilago-pallachris
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Ucides cordatus.
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Uca tangeri.
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Astacus klamathensis Stimpson. Male. Portland, Or. Showing both claws regenerated, of full size, and nearly symmetrical..
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Geryon tridens, Krover, Young.
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Geograpsus lividus.
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Gecarcinus quadratus.
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Hapalopoda investigator (A. M.-Edw.), 1,900 metres de profondeur.
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Haddock. Callarias; Asellus antiquorum
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Ucides cordatus.
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Uca tangeri.
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Astacus klamothensis Stimpson. Male. Portland, Or. Showing the chelipeds of normal shape.
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Fairy Shrimp (Chirocephalus diaphanus), Male.
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Cyrtoplax spinidentata.
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Mantis Shrimp. From a Specimen in the New York Aquarium.