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flattened, there being no groove between them; the carina of the i^' tergum is produced into a 

 small acute tooth, much smaller than in Su. picia, the carinae of the 5* and of the 6''^ somites 

 end in a tooth, that of the 5''^ being a little smaller than that of the 6"^. The 6''^ somite, one 

 and a half as long as the 5*, is 2,3 mm. long and 1,26 mm. broad in the middle, and 

 is thus almost twice as long as broad. The abdominal somites are not at all 

 sculptured, but quite smooth, except the transverse furrows on the pleura; on the 

 pleura of the i^' somite these furrows are hardly discernible, on those of the 2"'' and the 

 3"i one observes a shallow, anterior, transverse furrow, a posterior is hardly marked, and on 

 the 4"' and the 5"^ pleura a posterior furrow is present. The pleura are rounded below, their 

 postero-inferior angle rounded or obtuse; the posterior margin of the 6"^ somite makes a 

 right angle with the lower, the angle being not dentiform. The telson, 3,1 mm. long, one- 

 third longer than the 6* somite, is elongate, the median furrow is shallow and it bears a pair 

 of small spinules just near the tip. The telson is nearly as long, but little shorter than the 

 lateral swimmerets. 



Eyes of moderate size, shorter than the rostrum and than the i^' joint of the antennular 

 peduncle; cornea black, distinctly facetted. 



As in other species the antennular peduncle just extends beyond the antennal scales; 

 stylocerite slender, as long as the eyes, slightly directed outward like the spine at the far end 

 of the outer margin of the i*' article, and this spine reaches to the 2"^ third part of the 2"'^ 

 article; 2°*^ article one and a half as long as wide. Flagella of equal length, about as long 

 as the 2°'' and the 3'"'^ joints combined; inner flagellum 8-jointed, tapering, i^' joint twice as 

 long as the 2"<i. 



Antennal peduncle as long- as the eyes; flagella 6,5 mm. long, a little longer than the 

 carapace, rostrum included, composed of 32 joints, each of which bears two or three long 

 setae near the distal extremity. Distal extremity of the scale truncate, spine at the far end of 

 the outer margin slightly curved inward, reaching beyond the scale. 



Thoracic legs slender. First pair bispinose, carpus (i mm.) little longer than the 

 merus (0,85 mm.) and than the chela (0,9 mm.), fingers almost one and a half as long as the 

 palm; carpus slender, 6-times as long as thick at the distal extremity. Legs of the 2"*^ pair 

 reaching to the tip of the scales; carpus (1,8 mm.) slender, 15-times as long as thick in the 

 middle, longer than the merus (1,3 mm.) and than the chela (1,06 mm.); fingers one-fifth 

 longer than the palm. The merus, the carpus, the propodus and the dactylus of the 4''^ pair 

 are respectively i mm., 1,3 mm., 0,78 mm. and 0,56 mm. long, those of the 5'^ measure 

 1,56 mm., 1,8 mm., 0,9 mm. and 0,6 mm.: the carpus of the 4''^ pair, which is lo-times as 

 long as thick in the middle, appears as long as the two following joints taken together. The 

 carpus, finally, of the 5"^ pair, which is 15-times as long as thick in the middle, is twice as 

 long as the propodus. 



The sternum carries one acute tooth just behind the coxae of the i^' pair, and two teeth 

 immediately behind those of the 2"'^ pair; the large, cordiform plate of the thelycum is 1,04 mm. 

 long and 0,6 mm. broad posteriorly, being more than one and a half as long as broad. 



Length 17,7 mm., length of the carapace, rostrum included, 5,6 mm., without it 4,22 mm. 



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