. The Danish Ingolf-expedition. Marine animals -- Arctic regions; Scientific expeditions; Arctic regions. 34 HOLOTHURIOIDEA lacra. They are all alike, but those of the bivium are more scat- tered. The ten tentacles are all equally large. There is one polian vesicle and one stone-canal, and the calcareous ring is well developed large specimens, fairly well developed, as large unbranched sacs with some few small lateral branches, but in the two smallest specimens they are totally Textfig. 35. Abyssocueumis abyssorum. Calcareous deposits from the body-wall. 3 and J, "Ingolf",


. The Danish Ingolf-expedition. Marine animals -- Arctic regions; Scientific expeditions; Arctic regions. 34 HOLOTHURIOIDEA lacra. They are all alike, but those of the bivium are more scat- tered. The ten tentacles are all equally large. There is one polian vesicle and one stone-canal, and the calcareous ring is well developed large specimens, fairly well developed, as large unbranched sacs with some few small lateral branches, but in the two smallest specimens they are totally Textfig. 35. Abyssocueumis abyssorum. Calcareous deposits from the body-wall. 3 and J, "Ingolf", St. 37 (specimen cm long). 5-7, "Ingolf", St. 37 (specimen the large specimen). X 60. 1 and 2, "Ingolf", St. 37 (specimen cm long). cm long). S—77, "Ingolf", St. 36 (from the dorsal side of (textfig. 34). The gonads in the small specimens are little developed, but in the large they are fairly large, and contain ripe sperm or eggs. They are very short and unbranched and form a distinct cluster placed on both sides of the dorsal mesentery. The intestine has ;i large muscular stomach. The respiratory trees are, in the The calcareous deposits (textfig. 35 l-n) are all four-armed crosses with perforated ends and an excentrically placed spire, or, when a spire is lacking, with the one arm spiny, and formed like a spire. The deposits of the different specimens are very alike, but the number of deposits which are lacking the spire, and have. 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