. The Danish Ingolf-Expedition. Scientific expeditions; Arctic Ocean. Plate XVIII. Page Fig. i. Iotrochota varidens n. sp. a styli, b tylota, x 200, c ancora unguifera, half front view, d younger and older developmental form, x 1000, e birotulse, x 1400 185 — 2. Iotrochota oxeata n. sp. a oxea, b tylota, c developmental form, x 200, d ancora ungui- fera, nearly front view and side view, e developmental form, x 1000, / birotula, x 1400 1S6 — 3. Iotrochota abyssi Cart, a oxeum and stylus, b tylotum, x 200, c ancora unguifera, side view, x 1000, d birotula, x 1400 188 — 4. Iotrochota dubia n. sp.
. The Danish Ingolf-Expedition. Scientific expeditions; Arctic Ocean. Plate XVIII. Page Fig. i. Iotrochota varidens n. sp. a styli, b tylota, x 200, c ancora unguifera, half front view, d younger and older developmental form, x 1000, e birotulse, x 1400 185 — 2. Iotrochota oxeata n. sp. a oxea, b tylota, c developmental form, x 200, d ancora ungui- fera, nearly front view and side view, e developmental form, x 1000, / birotula, x 1400 1S6 — 3. Iotrochota abyssi Cart, a oxeum and stylus, b tylotum, x 200, c ancora unguifera, side view, x 1000, d birotula, x 1400 188 — 4. Iotrochota dubia n. sp. a styli, x 200, b upper end of stylus with small, but distinct spines, x 700, c tylotum, x 200, d ancora unguifera, about from behind and side view, the former showing the long teeth connected with the shaft, x 1000, c birotula, f birotula from the end, x 1400 189 — 5. Iotrochota inter media n. sp. a styli, b tylotum, x 200, c ancora unguifera, side view, a little from the front, x 1000, d birotula, x 1400 190 — 6. Iotrochota rotulancora n. sp. a styli, b tylotum, x 200, c ancora unguifera, side view, showing a tooth connected with the shaft, d the same, side view a little from behind with all teeth free, e an older developmental form, x 1000, / birotula, g an older deve- lopmental form, x 1400 I9I — 7. Iotrochota polydcntata n. sp. a styli, b tylotum, x 200, c birotula of the large form, x 1000, d birotula of the small form, e optical section of one end, showing the differ- ence from the same spiculum in I. affinis, x 1400 192 — 8. Iotrochota affinis n. sp. a styli, b tylotum, x 200, c birotulse of the large form, one with spined shaft, x 1000, d birotula of the small form, e optical section of one end, showing the difference from the same spiculum in /. polydcntata, x 1400 194. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perf
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