. Fig. 12. Distribution of Raja brachyurops. Spring: diamonds; summer: circles; autumn: triangles- winter- squares- negative observations left blank. Note. Symbols here refer to seasons, and not fo s^™" ^ Fig. 13 gives just a hint of possible submodes at roughly 4-5 cm. intervals that may indicate year classes. Irial freehand curves drawn from grouped data by Buchanan Wollaston's (1929) method show some support for this view, which seems reasonable from the annual increment of 6 cm. established by Steven (1936, p. 614) for R. clavata, which is a larger species. Our data are notnumerous en
. Fig. 12. Distribution of Raja brachyurops. Spring: diamonds; summer: circles; autumn: triangles- winter- squares- negative observations left blank. Note. Symbols here refer to seasons, and not fo s^™" ^ Fig. 13 gives just a hint of possible submodes at roughly 4-5 cm. intervals that may indicate year classes. Irial freehand curves drawn from grouped data by Buchanan Wollaston's (1929) method show some support for this view, which seems reasonable from the annual increment of 6 cm. established by Steven (1936, p. 614) for R. clavata, which is a larger species. Our data are notnumerous enough for us to regard the 4-5 cm. increment for R. brachyurops as more than a possibility.
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