. Report of the Canadian Arctic Expedition 1913-18. Scientific expeditions. Fig. 31. Ectinosoma neglectum cf. Left ramus of caudal furca from above. Fifth feet (p. 5 c?) have the marginal spines not exactly with the same interrelative lengths as figured for the type by Sars, but the anterior or appen- dicular seta arises from the distal joint near the base as in the original (Fig. 32). all cUi. Fig. 32. Ectinosoma neglectum. Fifth feet with part of urosome. Swimmmg feet (pl-p4) show some variation in arrangement of sets in different individuals and even on the two sides of one. All the Ri


. Report of the Canadian Arctic Expedition 1913-18. Scientific expeditions. Fig. 31. Ectinosoma neglectum cf. Left ramus of caudal furca from above. Fifth feet (p. 5 c?) have the marginal spines not exactly with the same interrelative lengths as figured for the type by Sars, but the anterior or appen- dicular seta arises from the distal joint near the base as in the original (Fig. 32). all cUi. Fig. 32. Ectinosoma neglectum. Fifth feet with part of urosome. Swimmmg feet (pl-p4) show some variation in arrangement of sets in different individuals and even on the two sides of one. All the Ri 3 have five setae (1 se 4 si); pi Re 3 has six setse, as in E. sarsi (3 se, 1 st, 2 si); p 2 Re 3 has seven setae (3 se, 1 st, 3 si) instead of eight in E. sarsi; p 3 Re 3 has eight setse (3 se, 1 st, 4 si); in two specimens the proximal se of p 3 Re 3 was absent on one side, in another the full number occurred on both sides; p 4 Re 3 has seven setse (2 se, 1 st, 4 si). 23. Ectinosoma finmarchicum (T. Scott, 1903.). Station 27 t, u. See Table IV. Female of 1-07 mm., carrying a yellow ovisac in the preserved state. An- terior antennse 6-jointed; p 2 Re 3 with seven setse as in E. neglectum. Upper lip bluntly rounded. The fifth legs have the inner seta of the lamellar process and the middle seta of the distal lobe equal and longer than the rest (Fig. 33). The appendicular seta arises from the distal lobe near the base, whereas in. 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 Canadian Arctic Expedition (1913-1918). Ottawa, F. A. Acland, Printer to the King


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Keywords: ., bookcentury1900, bookdecade1910, booksubjectscienti, bookyear1919