Boone, Crustacea, Cruises of "Eagle" and ''Ara," 1921-28 145 



lateral margins decidedly convergent. The chelipeds are unequal, the 

 right one usually the larger ; both have the palm covered on the upper 

 and outer surfaces, except the extreme lower margin, with rows of 

 coarse, rounded tubercles. The fingers are blackish-brown, lightly 

 grooved ; the upper right finger has a large, sub-basal molar ; the lower 

 finger has two or three large teeth. The ambulatories are stocky, with 

 sharp nails. 

 Synonymy. — Cancer gonagra Fabricius, Suppl. Entom. Syst, p. 337, 



1798. 

 Eriphia gonagra H. Milne Edw^ards, Hist. Nat. Crust., t. I, p. 337, 

 1798.— Ann. Sci. Nat. 3 serie, t. XVI, 1851, pi. 8, fig. 10.— White. 

 List Crust, Brit. Museum, p. 22, 184. — Gibbes, Proc. Amer. Assoc. 

 Adv. Sci., Ill, p. 177, 1850.— Dana, U. S. Explor. Exped. Crust., 

 vol. 13, p. 250, 1852.— Stimpson, Ann. Lye. Nat. Hist. N. Y., vol. 

 7, p. 217, 186. — Heller, Reise Fregatta Novara, p. 24, 1865. — 

 Desbonne and Schramm, Crust. Guadeloupe, p. 26, 18. — S. I. 

 Smith, Trans. Conn. Acad. Arts and Sci., vol. 2, p. 7, 1869. — 

 Kingsley, Proc. Acad. Nat. Sci. Phila. for 1878, p. 397.— A. 

 Milne Edvstards, Miss Sci. Mex., t. V, p. 238, pi. 56, figs. 4-4b, 

 1880. — Miers, Brachyura, Report Voy. "Challenger," Zool., vol. 

 17, p. 163, 1888.— Rankin, Ann. N. Y. Acad. Sci., vol. 12, p. 527, 

 1889. — M. J. Rathbun, Proc. Wash. Acad. Sci., vol. 2, p. 141, 

 1900 ; Bull. U. S. Fish. Comm., vol. 20, pt. 2, p. 42, 1901. 



Genus: EEIPHIDES Rathbun. 

 Eriphides hispida (Stimpson). 

 Plate 48. 

 Name: Purple bristle crab. 



Diagnostic characters: Carapace and legs purplish, covered 

 everywhere with coarse, short, stiff, black setae, which usually arise 

 from tubercles. 



Type: Prof. Stimpson 's type, which he states was deposited in the 

 ** Museum of the Smithsonian Institution," was found on the west 

 coast of Central America by Capt. J. M. Dow. 



Distribution: Central America, Panama and the Galapagos 

 Islands. 



■ 



Material examined: One male from Webb Cove, Hood Island, 

 Galapagos, March, 1928; one pair of claws from the same locality, 

 February 5, 1928; one larger, egg-laden female from Indefatigable 



