1879.] NATURAL SCIENCES OF PHILADELPHIA. 397 



Specimens were collected at Sarasota Bay and Marcou Pass. 



Pilumnus dasypodus Kingsley. 



Pilumnus dasypodus Kingsley, Proc. Bost. Soc'y, xx. p. 155. 



Harbor Key and Sarasota Bay, Fla. My types were from Key 



West. 



Pilumnus gemmatus Stin. 



Pilumnus gemmatus Stm., Ann. Lye, vii. p. 214. 

 Specimens were collected at Plantation and Harbor Keys, 

 Charlotte Harbor, and Florida Bay. I have seen others from 

 Key West (Packard). Stimpson's t}^pes were from St. Thomas. 



Genus ETJPILUMNUS (nov.). 



Carapax depressed. Basal joints of antennae as in Pilumnus. 

 External maxillipeds with the raeral joint short and narrow, it 

 being only about two-thirds as wide as ischial joint, which is short 

 and broad. 



Eupilumnus websteri, sp. n., plate xiv. f. 3. 



Carapax depressed, nearly flat, regions not indicated, above with 

 a short, sparse pubescence, front slightly arcuate, the margin with 

 fine spiniform teeth. Orbits above smooth, not toothed. External 

 angle spiniform, below with spines near the inner angle. Antero- 

 lateral margin with three prominent spiniform teeth, with smaller 

 ones between them, several small spines on the hepatic region, 

 and one on the branchial behind the lateral teeth. Anterior 

 margin of palate spined. The chelipeds are lacking in the single 

 specimen. Ambulatory feet compressed, spined above, dactyli 

 short, curved, spined below. 



Key West, Fla. Length, 6 mm.; breadth, 8.1; ratio, 100 : 135. 



Sub-Family Eriphiinae Dana. 



Genus ERIPHIA Latreille. 

 Eriphia gonagra M. Edw. 



Cancer gonagra Fabr., Suppl. Ent. Syst., p. 337. 



Eriphia gonagra Edw., Hist. Crust., i. p. 426, pi. xvi. f. 16, 17. 



Specimens were collected at Plantation Key, Fla. Other locali- 

 ties are Key West! (Packard), Tortugas (Stm.), Florida Keys, 

 Bahamas (Smith), Aspinwall! (McNiel), Abrolhos, Brazil! (Hartt), 

 Rio Janeiro (Dana, Heller), Cuba (von Martens), Jamaica et 

 Carolina (Bosc). 



