20 CARL BOVALLIUS, NEW ISOPODA. III. 



Tlic pleon is broadcr than long (4 : 3), shoiter tlian the 

 last two pcreional segments. The posterior corners of all the 

 segments are produced backwards, broadly rounded in the first 

 four segments, ineised iu the last segment, there forming a 

 supcrior and an inferior corner. 



The pleopoda are very long, almost reaching beyond the 

 hinder margin of the nrus. 



The urus is as long as broad, evenly rounded, feebly im- 

 pressed on the upper side at the base, very thin and soft. 



The tiropoda (Pl. IV, iig. 54) reach seareely beyond the 

 urus, the peduncle is shorter than the rami; the inner ramus 

 is seareely shorter than the outer, and a little broader; both 

 are elongate o väte. 



Colour. Yellowish without spöts. 

 , Lenyth. 33 mm. 



Hab. The eoast of Guinea, West-Africa. (C. B.) 



