FIG. 46.--Astacus fluviatilis.--The second ambulatory leg of the left side ( x 3). cxp, coxopodite; bp, basipodite; br, gill; cxs, coxopoditic setae; e, lamina of gill or epipodite; ip, ischiopodite; mpmeropodite; cp, carpopodite; pp, propodite; dp, dactylopodite.
[Editor's note: illustration is reproduced here approximately twice the size of the woodcut in the book.]
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