Crab Cephalothorax

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“Section through cephalothorax of a crab. H., Heart; Te., extension of the tergum; ST., sternum; PL., pleuron; T., tendons; 1st W.L., insertion of first walking leg; Br., gill in gill-chamber; g., gut; d.a., descending artery; A., afferent branchial; E., efferent branchial.” -Thomson, 1916


J. Arthur Thomson, M.A., LL.D. Outlines of Zoology (New York, NY: D. Appleton & Company, 1916)


TIFF (full resolution)

2400×915, 473.1 KiB

Large GIF

1024×390, 84.0 KiB

Medium GIF

640×244, 43.9 KiB

Small GIF

320×122, 14.1 KiB