. Bulletin - United States National Museum. Science. 72 BULLETIN 91, UNITED STATES NATIONAL MUSEUM. Chelipeds equal, rounded, smooth, and glabrous; chelae small,com- pressed, lower margin sinuous, upper margin of manus a little con- vex; fingers shorter than palm, fitting together, dactylus somewhat curved and armed near base with a small tooth which fits a slight excavation in propodal finger. Legs short, subcylindrical and smooth; first leg shorter and nar- rower than second; both have the dactyli short, curved, and closing against the expanded end of propodus which is clothed at that point
. Bulletin - United States National Museum. Science. 72 BULLETIN 91, UNITED STATES NATIONAL MUSEUM. Chelipeds equal, rounded, smooth, and glabrous; chelae small,com- pressed, lower margin sinuous, upper margin of manus a little con- vex; fingers shorter than palm, fitting together, dactylus somewhat curved and armed near base with a small tooth which fits a slight excavation in propodal finger. Legs short, subcylindrical and smooth; first leg shorter and nar- rower than second; both have the dactyli short, curved, and closing against the expanded end of propodus which is clothed at that point with a little tuft of short, stiff hair; third leg about as long as second, dactylus short and curved, but distal end of propodus not expanded; last leg shorter than third, and slenderer than the rest, dactylus slightly curved and very long and slender, equal in length to propodus. Abdomen very wide, exceeding sternum. Measurements.—Female (40448), length of carapace , width of same 8 mm. Habitat.—In shells of mollusks: probably Mytilus algosus Gould (Smith), Calyptraea, si^ecies (Lenz), Crepidula dilatata (Coker). Range.—Peru; Chile. Material examined.— Ancon Bay, Peru; found with Crepidula dilatata Lamarck on mussels; R. E. Coker, coll.; received from Peruvian Government; 1 female ovig. (40448). Talcahuano, Chile; Hassler Exped.; received from" Mus. Comp. Zool.; 1 female (22848). PINNOTHERES ANGELICUS Lockington. Plate 16, figs. 5 and 6. PinnofJieres angelica Lockington, Proc. California Acad. Sci., vol. 7, Dec. 1, 1876 (1877), p. ir» [10] (type-locality, Angeles Bay, Gulf of Cali- fornia, in oysters; tyiies not extant). Not P. angelicus Miers, Journ. Linn. Soc. London, Zool., vol. 15, 1880, p. 86. Diagnosis.—Female transverse, smooth, shining. Dactylus of sec- ond leg mucli the longest. Prominent tubercle on basal joint of an- tennae. Dactylus of endo- gnath attached to end of propodus. Description of female.—- Smooth, shining. Cara- pace thin, easily wr
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