. The Biological bulletin. Biology; Zoology; Marine biology. 266 LEON J. COLE. Addendum. Since it is of advantage to place on record where they may be found the cases of abnormal crustacean appendages, it may be well to call attention here to two recent records which might naturally be overlooked. They both occur on crabs, and both belong to the class of "extra processes arising from the normal dactyl," being directly comparable to the chelae figured by Emmel (1907, pi. I, Fig. i), Faxon (1881, pi. i. Figs, i, 2, 3, 4, 5, 7, 8), Herrick (1895, pi. 47, Fig. 191), and Bateson (1894, Fi
. The Biological bulletin. Biology; Zoology; Marine biology. 266 LEON J. COLE. Addendum. Since it is of advantage to place on record where they may be found the cases of abnormal crustacean appendages, it may be well to call attention here to two recent records which might naturally be overlooked. They both occur on crabs, and both belong to the class of "extra processes arising from the normal dactyl," being directly comparable to the chelae figured by Emmel (1907, pi. I, Fig. i), Faxon (1881, pi. i. Figs, i, 2, 3, 4, 5, 7, 8), Herrick (1895, pi. 47, Fig. 191), and Bateson (1894, Figs. 184, 185). The first case is fiured incidentally by Verrill (1908, p. 396, Fig. 37) in his report on the "Decapod Crustacea of ;. Fig. 8. Deformed claw of an undetermined cancroid crab. (After Verrill.) Fig. 8 represents the condition of this specimen, which is de- scribed as the "deformed claw of an undeterminal cancroid ;. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Lillie, Frank Rattray, 1870-1947; Moore, Carl Richard, 1892-; Redfield, Alfred Clarence, 1890-; Marine Biological Laboratory (Woods Hole, Mass. ); Marine Biological Laboratory (Woods Hole, Mass. ). Annual report; HighWire Press. Lancaster, Pa. [etc. ] : Lancaster Press, inc. [etc. ]
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