. 0 L •3 mm 0 ± ± B j •3mm Fig. 16. A, B. Notoplites crasstscutus St. 160, Shag Rocks. A. Basal view of axillary avicularium. Underlying zooecia outlined, and lettered according to Harmer's scheme. B. Oblique basal view of parts of two zooecia. frontal avicularium of zooecium F, occlusor muscle, parietal muscles, rootlet- chamber in thickness of wall, sc. scutum. 11. Notoplites perditus (Kluge). Scrupocellaria perdita Kluge, 1914, p. 613, text-fig. 2. Notoplites? perditus Harmer, 1923, p. 353. Station distribution. Not represented in the Discovery collections. Geo
. 0 L •3 mm 0 ± ± B j •3mm Fig. 16. A, B. Notoplites crasstscutus St. 160, Shag Rocks. A. Basal view of axillary avicularium. Underlying zooecia outlined, and lettered according to Harmer's scheme. B. Oblique basal view of parts of two zooecia. frontal avicularium of zooecium F, occlusor muscle, parietal muscles, rootlet- chamber in thickness of wall, sc. scutum. 11. Notoplites perditus (Kluge). Scrupocellaria perdita Kluge, 1914, p. 613, text-fig. 2. Notoplites? perditus Harmer, 1923, p. 353. Station distribution. Not represented in the Discovery collections. Geographical distribution. Southern Ocean, 2450 m. (Kluge). Notoplites perditus, which I have not seen, has quite conspicuous marginal avicularia and a small uncalcified area in the ectooecium, thus resembling the members of the N. antarcticus group (see Key p. 340, bifurcation 2). Kluge does not mention internal spines, but as he mentions them in only one of the four members of the group, and as he described N. perditus from a small fragment which was lost after only a preliminary examination, they may yet prove to be present. Frontal avicularia appear to have been absent, and the rounded scutum with a small, sharply demarcated, distal lobe would, if constant, be characteristic.
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Keywords: ., bookcentury1900, booksubjectocean, booksubjectscientificexpediti
