252 OCYPODE KUHLIl. 



of tlie palm of the large hand being rather longer than 

 the height of the rather little convex external surface ; up- 

 per margin of the palm rounded and coarsely granulated , 

 like also the upper margin of the compressed mobile finger , 

 immobile finger much compressed , a little longer than the 

 upper, with concave under margin that passes into the 

 somewhat convex denticulate under margin of the palm. In- 

 ternal surface granular inferiorly and provided with a musical 

 ridge , composed out of some feAv (8 or 10) small ovoid tuber- 

 cles arranged longitudinally. Smaller hand much compressed 

 and elongate , external surface granular , under margin denti- 

 culate. Upper margins of the meropodites of the ambulatory 

 legs transversely rugose , under margins granulated ; the follo- 

 wing joints with two granular ridges on the external sur- 

 face, penultimate joints transversely rugose on the outer 

 and inner surfaces , without patches of hairs on those of 

 the second and third legs (as are found in Ocyp. cordimana 

 Latr.) ; dactylopodites rather broad , more enlarged than 

 those of Ocj/p. cordimana Latr., with the external surface 

 pubescent and having both margins provided Avith some 

 hairs near the base. 



Measurings of the adult specimen: 



Distance between the external orbital angles 38 mm. 



Distance between the epibranchial angles 43 mm. 



Length of the carapace 33 mm. 



Length of the upper margin of the palm of the larger 

 hand 22 mm. 



Length of the whole larger hand 45 mm. 



Heigth of the larger hand near the articulation of the 

 mobile finger 21 mm. 



This species may be distinguished from Ocyp. cordimana 

 Latr., (both having the eyes without terminal prolonga- 

 tion) , by the different shape of the carapace , the elon- 

 gate chelipedes , the existence and the structure of the mu- 

 sical ridge, the uuder surface of the penultimate joints of 

 the second and third legs being devoid of hairs, etc. 



The quoted insufficient and ambiguous description of 



JNoies Iroin the Leydeii JMu-sOuin., "N'"©! III. 



