205 



A II f L'rior niifcmice reach, to the end of the furca, 25-johited. 

 Length of the joints in 0,005 millim. 



Posterior ajitennce. Bi with i Si ; B2 twice as long as broad 

 with iSi. Re as long as Ri and 8-jointed ; Ri i three times longer 

 than broad, naked on the outside. Re 2+3 | as long as Re i. 

 The outside of Le carries some small bristles. Else as in L. 

 aiiritn. 



Mandible. Re i| times longer than Ri, Ri 3 carries in its 

 top a row of small stiff hairs. Else as in L. auriia. The 

 masticatory apparatus carries four strong, almost straight teeth 

 and towards the interior side five smaller ones. 



Maxilla similar to the maxilla of L. aurita. 

 Anterior niaxilliped as in L. aurita. 



Posterior maxiUiped. B2 with 4 Si, of which Si i and 3 are 

 slightly shorter than the other. Interior margin of B2 with a 

 row of small stiff hairs. Ri 1,2 och 3 with a row of stiff hairs 

 at the basis of the setaa. Else as in L. aurita. 



Natatory legs of the i-4th pairs. Ri on a slightly higher level 

 than Re, B i and 2 of the first pair hairy on the interior 

 margin. Proportional length of the joints of Re and St. 



I p. 2 p. 3 p. 4 p. 



Re I .. 10 10 10 10 



Fifth pair of legs. — Re and Ri 3-jointed. Re more than twice 

 as long as Ri. St shorter than Re 3, Se 1,1,2. Si 0,1,3 J 

 Si 2 a strong thick spine, as long as Re 3. Of the three joints 

 of Ri the Ri 3 is the shortest. Ri 2 ends in a small spine. Se 

 0,0,1. Si 1,1,4. Outside margin of Ri i and Ri 2 hairy. 



Description of the male.— Body in length 5,2 millim. (anterior 

 part 3, posterior part 2,2 millim.), nearly 4 times longer than 

 broad. Abdomen 5-jointed ; anal segment li times longer 

 than the preceding. Furca about six times longer than broad 

 and as long as the three last segments together, with a small 

 Se near the anal segment and a longer one in the middle. 



