18 BOVALLIUS. NEW ISOPODA. 



Ovigerous female. 

 Pl. IV. fig. 34—40. 



The hody is ovate-elliptical, more than twice longer tlian 

 broad, the anterior part not compressed. 



The head is deeply immersed, broader than long (6 : 5). 



The eyes small, rounded. 



The antennce are thick, nearly equal in length; the second 

 pair six-jointed; both pairs reach to the anterior margin of the 

 first pereional segment. 



The first segment of the pereion is excavated, with the 

 anterior corners projecting into broad processes reaching to 

 half the length of the head. The five first segments increasing 

 in length. The sixth segment is nearly fonr times longer than 

 the seventh (15 : 4). The femora of the three last pairs of 

 pereiopoda are mnch broader than long (12 : 7). 



The pleon is shorter than the urus (6 : 7). 



The urus is semicirciilar, twice as broad as long. 



The uropoda are shorter than the iirns (5 : 7); the inner 

 ramus is shorter than the outer. 



Emetha adriatica differs form Emetlia Audouinii, H. INIilne- 

 Edwards, by the six-jointed antennce, the broader and not 

 compressed anterior part of the body, the very short seventh 

 segment, the short iiropoda and the longer urus. 



The head is broadly triangulär with rounded margin; the 

 hinder part of its upper side is highly convex, forming a large 

 tubercle, the anterior and lateral parts are flat, concealed by 

 the basal joints of the antennje. It is broader than long (7 : 5), 

 equalling a third of the breadth of the fourth pereional seg- 

 ment. 



The eyes are small and rounded, partly concealed by the 

 processes from the first pereional segments; the occlli are very 

 minute. 



The Jirst pair of antennoi (Pl. IV fig. 37) reach exactly 

 to the anterior margin of the first pereional segment; they are 

 seven-jointed ; the first or basal joint is the longest, as long as the 

 four following together; the second and third joint are large, 

 swollen; the four last ones are small, tapering towards the tip. 



The second pair of antennce (Pl. IV fig. 36) are very little 

 longer than the first, six-jointed; the first joint is the longest, 

 longer than the first joint of the first pair, as long as all the 



