IVNOLLVN saivxs aaiDm 'to 



THE GRAPSOID CRABS OF AMERICA. 359 



Material examined. 



Corinto, Nicaragua (M. C. Z.). 



Acapulco, Mexico ; Hassler Exped. ; reed, from Mus. Comp. Zool. ; 

 3 males, 3 females (22819). 



Mouth of Rio Jesus Maria, Costa Rica ; April 22, 1905 ; P. Biolley 

 and J. F. Tristan; 1 male (32311). 



Pigres, Costa Rica; A. Zeledon; 1 female (46683). 



Punta Arenas, Costa Rica; 2 males (Copenhagen Mus.). 



Naios Id., Panama; G. M. Gray; 1 female (42141). 



Turbo, Colombia (M. C. Z.). 



b 



FIG. 162. GECABCINUS QCADRATUS, MALE, X 2. a, OUTEU MAXILLIPEDS, IN PLACE, or 



SPECIMEN IN COPENHAGEN MUS. ; 6, ABDOMEN (32311). 



GECARCINUS PLANATUS Stimpson. 

 Plates 123 and 124. 



Gecarcinus planatus STIMPSON, Ann. Lye. Nat. Hist. New York, vol. 7, 1860, 

 p. 234 ( type-locality, Todos Santos, near Cape St. Lucas ; type not 

 extant). BoTrviER, Bull. Mus. Hist. Nat. Paris, vol. 4, 1898, p. 372. 



Gecarcinus malpilensis FAXON, Bull. Mus. Comp. Zool., vol. 24, 1893, p. 157 

 (type-locality, Malpelo Island; type, Cat. No. 4492, Mus. Comp. Zool.) : 

 Mem. Mus. Comp. Zool., vol. 18, 1895, p. 28, pi. 4, figs. 2-2&. 



Gecarcinus digueti BOUVIEB, Bull. Mus. Hist. Nat. Paris, 1895, No. 1, p. 8 

 (type-locality, Lower California; type in Paris Mus.). RATHBUN, 

 North American Fauna, U. S. Department of Agriculture, No. 14, 1899, 

 p. 73. 



Diagnosis. Large. Maxillipeds do not reach epistome; merus ob- 

 long, notched at extremity. Chelipeds unequal. Dactyli of legs with 

 six rows of spines. 



Description. Of large size. Carapace narrower than in G. ruri- 

 cola, flattened in the center and posteriorly. Outer gastric furro\vs 

 obsolete anteriorly, a pit near the orbital angle ; median furrow broad 



