. The Danish Ingolf-expedition. Marine animals -- Arctic regions; Scientific expeditions; Arctic regions. AnXIXIARIA 41 contriictiou of the specimens. The distal ])art of the hody is more or less asymmetric, at least in older specimens, l>nt not so distinctly as in P. hertwigii. The column is divisible into scii])us and scapulus, the former of which is covered by a cuticle, usually lost or only present between the tubercles. In .some specimens, however, the cuticle is better preserved and .sometimes, as in the specimens from the stations 27 and lU (PI. 1 fi^s. 9, 12) and from the Sofia expe
. The Danish Ingolf-expedition. Marine animals -- Arctic regions; Scientific expeditions; Arctic regions. AnXIXIARIA 41 contriictiou of the specimens. The distal ])art of the hody is more or less asymmetric, at least in older specimens, l>nt not so distinctly as in P. hertwigii. The column is divisible into scii])us and scapulus, the former of which is covered by a cuticle, usually lost or only present between the tubercles. In .some specimens, however, the cuticle is better preserved and .sometimes, as in the specimens from the stations 27 and lU (PI. 1 fi^s. 9, 12) and from the Sofia expedition (PL IV fig. H), the tubercles are provided with a thick cuticle. The lower part of the scapus has smaller tubercles, the upper part commonly very large ones. Most specimens show an appearance like that reproduced in PI. I fig. 12. The scapulus is provided with high ridges which are tulierculated when the bulijous swellings of the tentacles are large. The short tentacles are situated at the margin. Their nundjer varies, but the tentacles are always fewer than the mesenteries at the limbus. One specimen examined had 192 at the base but only about 160 tentacles, another 156 mesenteries at the lowest part of the actinojiharynx Init about 130 tentacles. At the base of the abaxial side the mesogloea forms more or less large bulbs, continuations of the ridges of the scapulus; .sometimes the bulbs are small and rather indistinct but always present at least on several tentacles. The oral disc is wide with radial ridges,. <-, <^% °M lt„ ^ „ 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 perfectly resemble the original Danish Ingolf-Expedition (1895-1896); Københavns universitet. Zoologisk museum. Copenhagen H. Hagerup
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Keywords: ., bookcentury1800, bookdecade1890, booksu, booksubjectarcticregions
