Archive image from page 98 of The Danish Ingolf-Expedition (1918). The Danish Ingolf-Expedition danishingolfexpe0507ingo Year: 1918 HYDROIDA II 91 Norway; now the 'Ingolf' has added two new localities, the one heing off the south-east point of Iceland, the other in the eastern part of Danmark Strait, at a spot where several representatives of the heat-loving deep-water fauna of the Atlantic have been found. The bathymetrical position of the species is also somewhat doubtful: up to the present it has only been found in the middle and lower parts of the littoral region. 600 1000 m. Fig. XLIX
Archive image from page 98 of The Danish Ingolf-Expedition (1918). The Danish Ingolf-Expedition danishingolfexpe0507ingo Year: 1918 HYDROIDA II 91 Norway; now the 'Ingolf' has added two new localities, the one heing off the south-east point of Iceland, the other in the eastern part of Danmark Strait, at a spot where several representatives of the heat-loving deep-water fauna of the Atlantic have been found. The bathymetrical position of the species is also somewhat doubtful: up to the present it has only been found in the middle and lower parts of the littoral region. 600 1000 m. Fig. XLIX. The occurrence of Cladocarpits bicuspis in the Northern Atlantic. In the hatched region the literature notes a scattered occurrence. Gen. Thecocarpus Nutting. Upright colonies with branched or unbranched main stem, the apophyses bearing unbrauched hydrocladia with several hydrothecce. All sarcothecse immobile. The gonothecse are set in a corbula formed by a metamorphosed hydrocladium; the blades of the corbula, or ribs, have each a hydrotheca near its point of origin. Nutting (1900 p. 106) attaches primary importance to the question whether the stem is mono-. siphonic, a character which, even in distinction of species, is of subordinate weight; a species such as Thecocarpus myriophyllum (Linne) occurs in northern seas not infrequently fertile with monosiphonic stem, while other colonies have a polysiphonic basal part; but it is reallv only in southern waters that strong colonies of this species are found with polysiphonic stems, at any rate a couple of feet high. This feature, then, is of little or no interest from the point of view of generic distinction; on 12
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