THE SProER CRABS OF AMERICA 31 



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Genus PODOCHELA Stimpson 



Podochela Stimpson, Ann. Lye. Nat. Hist. New York, vol. 7, 1860, p. 194; 



type, P. grossipes Stimpson. — A. Milne Edwards, Crust. R<5g. Max., 



1879, p. 189. 

 Podonema Stimpson, Ann. Lye. Nat. Hist. New York, vol. 7, 18G0, p. 197; 



type, P. riisei (Stimpson) == Podoc/ieZa riisei Stimpson. Podonema was 



used by Solier in Gay's Hist. Chile, vol. 5, 1851, p. 19, for a genus of 



Coleoptera. 

 Driope Desbonne in Desbonne and Schramm, Crust. Guadeloupe, 1867, 



p. 2; type, D. falcipoda Desbonne — Podochela riisei Stimpson. Spelled 



" Dryope" in introduetion, by Sehramm, p. ii. Dryope was used by 



Robineau-Desvoidy in 1830 for a genus of insects. 

 Acrorhynchus A. Milne Edwards, Crust. Reg. Mex., 1879, p. 189; type, A. 



depressus A. Milne Edwards = P. grossipes Stimpson. 

 Anisonotus A. Milne Edwards, Crust. Reg. Mex., 1879, p. 195; type, A. 



curvirostris A. Milne Edwards = P. curvirostris (A. Milne Edwards). — 



A. Milne Edwards and Bouvier, Mem. Mus. Comp. Zool., vol. 47, 



1923, p. 363. 

 Coryrhynchus Kingsley, Amer. Nat., vol. 13, 1879, p. 585; type, C. riisei 



(Stimpson) = P. riisei Stimpson. Coryrhynchus is substituted for 



Podonema. — Stebbing, Trans. Roy. Soc. Edinburgh, vol. 50, 1914, p. 259. 

 Ericerus Rathbun, Proc. U. S, Nat, Mus., vol. 16, 1893, p. 223; type, E. 



latimanus Rathbun. Name preoccupied b\' Signoret, 1874, for a genus 



of Coccidae. 

 Ericerodes Rathbun, Proe. Biol. Soc. Washington, vol. 11, 1897, p. 164; 



name substituted for Ericerus. 



Body and appendages usually ornamented with tufts of curved 

 hairs, and also with straight hairs most often on lower parts of 

 chelipeds and legs. Carapace somewhat depressed, elongate, pyri- 

 form; gastric region narrow, swollen. Rostrum arcuate or tri- 

 angulate, sometimes prolonged in a spine. Supraorbital margin 

 elevated or thickened. Eyes with short, stout pedicels, which 

 terminate above in a prominent tubercle; cornea oblique, more 

 projecting above than below. Postorbital tooth or lobe, when 

 present, remote from eye and either well developed or reduced to a 

 granule. Basal article of antennae very narrow, longitudinally 

 sulcate. Sutures between sternal segments of male depressed; 

 sternum of female deeply concave, margins elevated, laminate, form- 

 ing a capsule. Abdomen of male with last two segments, of female 

 with last three segments, coalesced; first two or three segments of 

 male and four or five of female are visible in dorsal view. 



Chelipeds of moderate length, merus curved, trigonal; palm either 

 slender or dilated. Ambulatory legs slender, subprehensile, dimin- 

 ishing in length from first to fourth, the first sometimes much the 

 longest; dactylus of first leg slenderer than the others and often 

 unarmed ; remaining dactyli more or less curved, lower edge spinulous. 



Coast of middle America from North Carolina to Pernambuco, 

 Brazil, and from San Luis Obispo, California, to the Gulf of Cali- 



