
Discussion
Most of the Cyllopus specimens taken by the Lachlan come well within the range of variation of C. magellanicus. My material suggests no substantial dis-

agreement with Barnard's remarks. However, the proportions of segments to one another, particularly in the uropods (cf. Barnard, 1930: 408) vary somewhat allometrically with size, so it is well to remember that the description refers to a 9¼ mm. male—presumably adult. With any great difference in size, certain differences in proportions are also to be expected. According to Barnard, there are also differences in the serration of the epimeral plates.
Cyllopus macropis (Bovallius), 1887. (Figs. 51–69.)
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Vibilia macropis Bovallius, 1887: 7. Bovallius, 1887a: 51, Pl. 8, Figs. 1–8. Behning. 1913: 214–215. Behning, 1925: 480–481, Figs. 3–11.
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(non) Cyllopus magellanicus Dana. Barnard, 1930: 408.
