. The Danish Ingolf-expedition. Marine animals -- Arctic regions; Scientific expeditions; Arctic regions. RHIZOCEPHAEA OF THE NORTH ATLANTIC REGION I I Between the mantle opening and the stalk there is visible a slight ridge at the surface of the mantle. Below this ridge the testes are found, as was already stated by Sars. This ridge is clearly visible in Sars' figures and also in fig. 2 j of the present paper. The only specimen on which Sars based his description of Sylon hymenodom was collected by the Nor- wegian Expedition to the North Atlantic (1876—78), between Norway and Iceland from a d
. The Danish Ingolf-expedition. Marine animals -- Arctic regions; Scientific expeditions; Arctic regions. RHIZOCEPHAEA OF THE NORTH ATLANTIC REGION I I Between the mantle opening and the stalk there is visible a slight ridge at the surface of the mantle. Below this ridge the testes are found, as was already stated by Sars. This ridge is clearly visible in Sars' figures and also in fig. 2 j of the present paper. The only specimen on which Sars based his description of Sylon hymenodom was collected by the Nor- wegian Expedition to the North Atlantic (1876—78), between Norway and Iceland from a depth of about . month cjicning ^llctcric qLatid testis. Fig. 5. Trachelosaccus hymenodorcs. a, transverse .suction through tin- mantle opening and the colleteric gland specimen, transverse section through the testes, . 30; 1 , same specimen, transverse se< tion through the posterior part </. other specimen, transverse section through the testes, jo N. B. In fig. 5 c the lines indicating the mantle cavity should be 1 cm longei '. 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
Size: 1569px × 1592px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1890, booksu, booksubjectarcticregions
