. Text-fig. 22. Hypsistozoa fasmeriana (Michaelsen) (St. 935): Zooid. its origin. No female gonads were seen, although, as Brewin (1946) has shown, the zooids are herm- aphrodite. There were also no brood pouches. Remarks. The species was very carefully described by Michaelsen (1924) who, in the absence of gonads in his specimens, put it in the genus Distaplia. But Brewin (1946) found specimens with gonads which projected into the right anterior part of the vascular process, and she later erected a new genus Hypsistozoa for the species (Brewin, 1953). The annual cycle and the complex and inter


. Text-fig. 22. Hypsistozoa fasmeriana (Michaelsen) (St. 935): Zooid. its origin. No female gonads were seen, although, as Brewin (1946) has shown, the zooids are herm- aphrodite. There were also no brood pouches. Remarks. The species was very carefully described by Michaelsen (1924) who, in the absence of gonads in his specimens, put it in the genus Distaplia. But Brewin (1946) found specimens with gonads which projected into the right anterior part of the vascular process, and she later erected a new genus Hypsistozoa for the species (Brewin, 1953). The annual cycle and the complex and interesting embryonic development have been described in detail by Brewin (1956a).


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Keywords: ., bookcentury1900, booksubjectocean, booksubjectscientificexpediti