REPORT OX THE BRACHYURA 2 6$ 



61. AC'T.EA RUFOPUNCTATA NODOSA (Slt'mpSOH.) 



Tortugas. 



62. Act-ea palmeri Rathbun. 

 Bahama Banks. 



6$. Carpoporus papuloses Stimpso)i. 

 Station 24. off Key West, 60 fathoms. 



64. PlLUMNOIDES NUDIFRONS {StimpSOin. 



Station 29. off Sand Key. about 116 fathoms: station 30. 

 off Key West, about 100 fathoms: station 62. off Amer- 

 ican Shoal. 70 to So fathoms. 

 The male from station 30 is considerably larger than the 

 type, measuring 14. S mm. long, and 17.4 mm. wide. 



Genus Pilumnus Leach. 



SYNOPSIS OF AMERICAN SPECIES. 1 



A. Carapace for the most part concealed by a short thick pubescence, 

 which when removed discloses tubercles on the gastric and hepatic 

 regions. 

 B. Frontal lobes concave, entire. reticulatus Stimp?on 



— : ssellatus A. Milne Edwards 

 B . Frontal lobes convex, granulate or denticulate. 

 C. Entire outer surface of palms tuberculate. 



D. Lower margin of orbit granulate, with no teeth excepting at the 



inner angle. gemmatus Stimpson 



D . Lower margin of orbit with three or four irregular granulated 



teeth. limosus Smith 



C . Outer surface of palms partially smooth and naked. 



D. Antero-lateral projections, after the pubescence is removed, 

 spiniform, curved, sharp. fa///iosiis Rathbun 



=geminatt{S A. Milne Edwards 



D '. Antero-lateral projections, after the pubescence is removed, den- 

 tiform, short, obtuse. holoserictts Rathbun 

 A . Carapace, when covered by a short thick pubescence, not having the 

 gastric region tuberculate. 

 B. Superior orbital border with one or few long spines. 



C. Outer surface of larger hand partially smooth and naked. 



1 Pilumnus uudifroHS Stimpson is a Pilumnoides ; see No. 64. 



