Archive image from page 54 of The Danish Ingolf-expedition (1899-1953). The Danish Ingolf-expedition danishingolfex4cpt11daniuoft Year: 1899-1953 HOLOTHURIOIDEA good, and the family Gephyrothuriidae must be placed among the aspidochirote Holothurians where it includes the genus Pseudo- stichopus and allied forms. To my former descripti f this species I have little to add, but it is of the greatest value for the classification of these specimens that they have in reality a vertical pygal furrow, though

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