chelae

• Now there is a considerable difference between the males of this species, especially in the structure of these chelae--a different so great that we can scarcely find a parallel to it elsewhere between two species of the genus--and yet, as in Tanais, we do not meet with a long series of structures running into one another, but only two forms united by no intermediate terms (Figures 8 and 9). —  Facts and Arguments for Darwin
• On the inner branches the chelae are developed; the outer branches are lost before an inner branch has made its appearance on the fourth segment (Figure 32). —  Facts and Arguments for Darwin
• I will take it," and without further discussion it commenced to crawl up the front of the headless body, using its six short, spiderlike legs and two stout chelae which grew just in front of its legs and strongly resembled those of an Earthly lobster, except that they were both of the same size. —  The Chessmen of Mars
• Here, in a nest of torn bits of silk and fur lay six baby ulsios When the mother returned there were but five babies and a great spider-like creature, which she immediately sprang to attack only to be met by powerful chelae which seized and held her so that she could not move. —  The Chessmen of Mars
• The head climbed to the shoulders and settled itself inside the leather collar that now hid its chelae and legs. —  The Chessmen of Mars

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