836 Mil. II, O. JACKSON ON TlIK 



faintly visible on last three somites of male, very f:nnt or obsolete 

 on female; bind corners of last three but little drawn out. 

 Antevnal ilagellum reaching back as far as halfway across 

 3rcl somite ; stout and somewhat setose ; with 9-10 segments. 

 Uropods. Inner process of base curved and longer than base. 

 Endopod by itself about as long as exopod ; combined with inner 

 process exceeding exopod by about one-third of the latter. 

 Exopod about twice as long as inner process ; setie of endopod 



Text-figure 9. ' 



a 

 Ligidium gcvmanicum. a, liciul from front ; h, iiutciniii; c, uropoil from hclow. 



about three-quarters as long as that branch. Tthon arcuate, 

 inclining to a bluntly angulate condition in some ; no notch 

 above uropods. 



Pleopods of J . Similar to L. liyimorum. 



Colour. Predominantly brown, mottled with yellow ; legs 

 yellow. 



JJistriluiion. Central Europe. 



6. Ligidium japonicum Verhoeff. (Text-fig. 10.) 



Ligidium japonicum Yerhoeff (1918), p. 114. 



Length 6 mm. Breadth 2*5 mm. 



Surface smooth and shining. Head. Fi'ontal margin sinuate, 

 forming moderately sharp V; not produced. Transveise groove 

 narrow and deep, and passing behind eyes. Frontal grooves 

 shallow, joining transverse grooves abruptly. Eyes large and 

 pear-shaped. Thorax. 1st somite with deep lateral depiessions ; 

 no bristle groups, but a group of little processes lies in each 

 depression, Coxal plates : sutures not visiljle ; hind corners of 

 last three slightly drawn out. Aiitennal flagellum reaching as 

 far back as hind margin of 3rd thoracic somite; with 14 segments ; 

 long and setose. Uropods. Inner process of base short and 

 blunt, hardly one-third base and shorter than width of base. 

 Endopod by itself about half as long again as exopod, combined 

 with inner process nearly two-thirds as long again. Exopod 

 about six times as long as inner process. 2'elson. Only slightly 

 notched above uiopod ; no postero-lateral production. 



