. Report of the Canadian Arctic Expedition 1913-18. Scientific expeditions. Euphyllopoda Gil the latter as an almost worm-like, apparently very contractile and movable paired appendage. Murdoch does not mention nor figure these "accessory claspers," but records the longest of the three branches of the large claspers (A2) as a large, curved process (armed on the tip and inner surface with numerous fine teeth). Fig. 2. Polyartemiella hazeni (Murdoch). Male. Teller, Alaska, August 3, 1913. a. Ventral view of head. About x 50. h. " " genitalia and abdomen. About x 50. c. Dorsal
. Report of the Canadian Arctic Expedition 1913-18. Scientific expeditions. Euphyllopoda Gil the latter as an almost worm-like, apparently very contractile and movable paired appendage. Murdoch does not mention nor figure these "accessory claspers," but records the longest of the three branches of the large claspers (A2) as a large, curved process (armed on the tip and inner surface with numerous fine teeth). Fig. 2. Polyartemiella hazeni (Murdoch). Male. Teller, Alaska, August 3, 1913. a. Ventral view of head. About x 50. h. " " genitalia and abdomen. About x 50. c. Dorsal view ot head (claspers only indicated). About x 50. projecting from the middle of the lower surface of A2. He also mentions that the extremity of the large claspers is bifurcated into two short, blunt branches, also armed on the inner side with fine teeth, which correspond with my specimens (see above). Ekman (1902), Daday (1910) and Pearse (1918) in describing the large claspers as quadriramose, apparently include the "accessory claspers" as one of the branches of the large claspers (A2), which is perhaps correct, considering that the "acces-. 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
