.i68 STALK-EYED CRUSTACEA 



carlnated nor spiniferous ; last joint styliform, nearly 

 straight. 



Range. — Pacific Ocean, Mediterranean Sea, Atlantic 

 Ocean. 



I. Eriphia gonagra. 



EripJiia gO)iagra . . Fabricius, A. Milne Edwards, 



H. Milne Edwards, Miers, 

 White, Gibbes, Dana, 

 Krauss, Stimpson, Haller, 

 Smith. 



Cancer gonagra . . . Fabricius, Desbonne and 



Schramm. 



The carapace is moderately wide ; regions defined 

 anteriorly. The branchio - hepatic groove deep, the 

 postorbital grooves wide. A granular transverse line 

 extends in front of the epigastric lobes ; another toothed 

 ridge exists upon the protogastric lobes. The antero- 

 lateral portions have some tubercles arranged parallel 

 with the antero-lateral borders. These are armed with 

 six spiniform teeth, including the external orbital angle. 

 The front is very wide, sloped, and divided into four 

 lobes ; the two median are wider and more advanced 

 than the lateral, truncated in front and terminating in 

 an entire or finely granular border ; the lateral lobes are 

 smaller and slightly concave. The fronto-orbital suture 

 is very wavy. Below there is a line of large tubercles. 



The first pair of legs of unequal size. The hand is 

 covered with large tubercles, very wide, rounded, depressed, 

 squamiform, and higher upon the small than upon the 

 large pincer. The movable finger of the latter has at 

 its base a large round tooth. The forearm has in front 

 a few tubercles. The walking letjs are covered with small 



