Archive image from page 70 of The Danish Ingolf-expedition (1898). The Danish Ingolf-expedition danishingolfexpe1517dani Year: 1898 HVDROIDA II 65 mobile sarcothecse. The hydrocladia are divided by transverse nodes into internodia of which normally every second one bears one or two unpaired sarcothecse in the median line, the alternate ones having a small hydrotheca with a snpracalycine pair of sarcothecse at the month, and an unpaired median sar- cotheca on the proximal part of the internodium. The hydrotheca is about '/s to ', the length of the internodium, and is on one side entirely fused
Archive image from page 70 of The Danish Ingolf-expedition (1898). The Danish Ingolf-expedition danishingolfexpe1517dani Year: 1898 HVDROIDA II 65 mobile sarcothecse. The hydrocladia are divided by transverse nodes into internodia of which normally every second one bears one or two unpaired sarcothecse in the median line, the alternate ones having a small hydrotheca with a snpracalycine pair of sarcothecse at the month, and an unpaired median sar- cotheca on the proximal part of the internodium. The hydrotheca is about '/s to ', the length of the internodium, and is on one side entirely fused therewith. The gonothecse are attached by an almost rudimentary stalk to the apophyses; they are oval to pear-shaped, with a distally laterally placed asymmetrical opening. _. _ .. boom. Fig. XXXI. The distribution of Nemertesia antennina in the Northern Atlantic. In the hatched parts the literature notes a scattered although common occurrence. Material: 'Ingolf' St. 87, 65°02,3' N., 23°56,2' W.; depth no fathoms i,4' 5,9° (without further details) - 92, 64°44' X., 32°52' W.; — 976 - 98, 65°38' N., 26°27' W.; - 138 Greenland: Davis Strait, — 80 6527'N, 54°45'W.; - 67 Iceland: 5 miles E. of Seydisfjord, — r35 — The Faroe Islands: Deep hole at the north point of Nolso, depth 100 fathoms. Some luxuriant colonies from Davis Strait exhibit interesting variations in the number of hydrocladia. The nodes of the stem are slightly marked, and each internodium bears but three apo- physes; owing to the revolution of the internodia therefore, these colonies or parts of colonies are six- rowed; among these colonies again there are others, or in the single colony, other parts, which in a The fngolf-Expedition. V. 7. q
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