. mm Text-fig. 4. Aplidium radiatum (Sluiter): A, zooid; B, transverse sections of stomach of two zooids (St. 186). Aplidium seeligeri : C, D, two colonies (Sts. 935, 941); E, zooid (St. 941).

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Keywords: ., bookcentury1900, booksubjectocean, booksubjectscientificexpediti