166 



type species, being much more slender, and having all 4 joints well defined; 

 2nd joint considerably longer than the 1st, and about equal in length to the 

 last 2 combined; penultimate joint, as usual, quite short and provided at the 

 outer distal corner with a slender spine and 2 unequal setae; terminal joint 

 narrow cylindric in form, and armed at the tip with 2 simple subequal claws 

 accompanied by a number of small seta?. Maxillar palp with only 3 setae. 

 Anterior maxillipeds with the distal joint less robust than in the type species. 

 Posterior maxillipeds comparatively thicker, with only 2 simple unequal setae 

 inside the propodal joint. Natatory legs on the whole resembling in structure 

 those in the type species; inner ramus of 4th pair, however, comparatively 

 larger, exceeding in length the first 2 joints of the outer combined, and having 

 a well-marked, though rather short seta inside the proximal joint. Last pair 

 of legs with the free joint considerably produced and strongly curved, its outer 

 face densely hairy. 



Body semipellucid with a slight yellow or orange tinge. 



Length of adult female 1.30 mm. 



Remarks. The present form, described by Scott as a species of the 

 genus Lichomolgus, is unquestionably congeneric with the preceding species, 

 though differing conspicuously in the structure of the posterior antennae. The 

 specific name given to it refers to the peculiar hairy coating, in the female, 

 of the free joint of the last pair of legs. 



Occurrence. Only 3 female specimens of this form have hitherto come 

 under my notice. One of them was taken many years ago on the west coast 

 of Norway, at Eggesb0naes, the other 2 at Ris0r, on the south coast. All 3 

 specimens were found in the free condition among dredged material taken up 

 from moderate depths. 



Distribution. Scottish coast (Scott), Novaja Zemlja (Scott). 



Gen. 40. Pseudanthessius, Glaus, 1889. 



Generic Characters. Body of rather varying form in the different 

 species, with the anterior division more or less expanded and well marked off 

 from the posterior. Cephalic segment with only slight traces of a subdivision. 

 Anterior antennae of normal structure, 7-articulate. Posterior antennae distinctly 

 4-articulate, with 3 apical claws, which in some cases are short, in other cases 

 very slender, almost setiform. Maxillae with the terminal lappet blade-like, 



