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101 Chamberlin, Ralph V.The vachoniidae - A new family of false scorpions two new species from Caves in Yucatanexistence of a well-defined and previously unrecognized family of the false scorpions belonging to the superfamily Neobisioidea. The family characteristics are well marked, the most distinctive being the venom apparatus of the chela, which is functionally developed in the movable finger only. A vest...1947-08-26
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