Articles

• A New Branchiobdellid (Annedlida) From Costa Rica

  Perry C. Holt (Author)

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• The River Crabs of Costa Riva, and the Subfamilies of the Psudothelphusidae

  Alfred E. Smalley (Author)

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• Mysidopsis Almyra, a New Estuary Mysid Crustacean from Louisian and Florida

  Thomas E. Bowman (Author)

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