. The Danish Ingolf-expedition. Marine animals -- Arctic regions; Scientific expeditions; Arctic regions. COPEPOUA 53 Remarks. Most probably the specimens examined ought to l)e referred to Euc. attcnuatus Dana in spite of a more produced forehead tlian in original specimens, and of greater size (Giesbrecht f?: 4-2â4-85 mm.)- The Thor Expedition has taken the species at the following two stations â V7 1904 St. 183 61^30 L. N. 17^08 L. W. Vt. 1800 M. Wire i y?; i y^. % 1905 vSt. 72 57"52 L. N. 9^53 L. W. Yt. 1500 M. Wire i y $. Eucalaims attciniafiis has been recorded from the I'acific, the
. The Danish Ingolf-expedition. Marine animals -- Arctic regions; Scientific expeditions; Arctic regions. COPEPOUA 53 Remarks. Most probably the specimens examined ought to l)e referred to Euc. attcnuatus Dana in spite of a more produced forehead tlian in original specimens, and of greater size (Giesbrecht f?: 4-2â4-85 mm.)- The Thor Expedition has taken the species at the following two stations â V7 1904 St. 183 61^30 L. N. 17^08 L. W. Vt. 1800 M. Wire i y?; i y^. % 1905 vSt. 72 57"52 L. N. 9^53 L. W. Yt. 1500 M. Wire i y $. Eucalaims attciniafiis has been recorded from the I'acific, the Mediterranean, the Indian Ocean and the Atlantic. In the North Atlantic on the west coast of Ireland it has been found as far north as 54°57 Lat. X. 10^51 L. W. at about 700 fathoms. 8. Eucalanus crassus riicsbrecht. (PI. I fig. 7; textfig. II). IS88. Eucalanus crassus n. sp. C Mesbrecht, p. 333. 1905 IS92. â â Giesbr. Giesbrecht, p. 132, pls4 11, 35. 1905. IS9S. â â â Giesbrecht & Scliineil, p. 22. 1905- I90I. â â â Cleve, p. 5. 1905. 1902. â â â Wolfenden, p. 361. 1906. 1903. J. C. Thonipsoii and A. Scott, p. :4:!- 190S. 190S. 1903. â â â Cleve, p. 362. 1909. 1904. â â â Wolfenden, pp. 127â12S. 1912. 1905. â â â Wolfenden, p. 996. Kucalanns Giesbr. Th. Scott, p. 222. â â â G. O- Sars, p. 2. Ksterly, p. 134, fig. 8. Farran, p. 30. Pearson, p. 7. V. Bremen, pp. 16 â 17; f'S- 13- Farran, p. 22. A. Scott, p. 19â20. Sewell, p. 357. Description, l'^. Length: 37â4-0 mm. The basal fused portion of the rostral filaments is com- paratively longer than figured by Giesbrecht (t. 35, fig. 26). The last thoracic somite, which is well marked out, is somewhat rounded (text-fig. 11). The abdomen consists of 3 somites onI\-; the receptaculum seminis is large. The coecal sacs on each side are divided into smaller parts (fig. 7). In the structure of the appendages a feature of interest was observed in the structure of the external process of the basa
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Keywords: ., bookcentury1800, bookdecade1890, booksu, booksubjectarcticregions
