. Bulletin - United States National Museum. Science. Fig. 89.—Pixxixa littouai-is (31G00), X G. o. Left chela of female; b, front and EYE IX OUBIT, front VIEW ; C, THIRD LEG OF FEMALE ; d, LEFT CHELA OF MALE ; C, THIRD LEG OF MALE. shorter, more deflexed, tip less upcurved, subtermiiial notch deeper; dactylus more strongly curved, prehensile edge entire. Legs more unequal than in faba; first leg reaching to distal third of propodus of second; second leg to dactyl of third; fourth overlapping carpus of third leg by length of dactylus; third leg noticeably stoutest, merus twice as long as wide.


. Bulletin - United States National Museum. Science. Fig. 89.—Pixxixa littouai-is (31G00), X G. o. Left chela of female; b, front and EYE IX OUBIT, front VIEW ; C, THIRD LEG OF FEMALE ; d, LEFT CHELA OF MALE ; C, THIRD LEG OF MALE. shorter, more deflexed, tip less upcurved, subtermiiial notch deeper; dactylus more strongly curved, prehensile edge entire. Legs more unequal than in faba; first leg reaching to distal third of propodus of second; second leg to dactyl of third; fourth overlapping carpus of third leg by length of dactylus; third leg noticeably stoutest, merus twice as long as wide. The female differs from female of fala in having a little wider palm, thumb a little shorter, more deflexed, and with a very shallow subterminal notch, the dactjdus in consequence more bent downward, leaving a narrow gape. Legs more unequal than in /«&«, but the difference is not so great as in the males of the two species. Vaiiutio7is.—Immature females as well as immature males have chelae resembling those of adult males—that is, with the fingers widely gaping, thumb short, and dactyl strongly curved. The only. 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 United States National Museum; Smithsonian Institution; United States. Dept. of the Interior. Washington : Smithsonian Institution Press, [etc. ]; for sale by the Supt. of Docs. , U. S. Govt Print. Off.


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Keywords: ., bookauthorun, bookcentury1800, bookdecade1870, booksubjectscience