342 



tin- hand in length. 1st pair of legs with the inner ram us much shorter than 

 tin- outer, its proximal joint short, unarmed, the distal one oblong in form and 

 carrying '! seta-, and at tin- outer corner a strong spine. Inner rainus of the 3 

 succeeding pairs only slightly exceeding half the length of the outer. Last pair 

 of legs with the distal joint narrow oblong in form and carrying 7 unequal setae, 

 proximal joint with a long setiferous process outside, inner part not expanded, 

 and provided with only a single plumose seta. 



Mali' unknown. 



Colour whitish -Te\ . 



Length of adult female 0.49 mm. 



A'- iinirl, .-. -This form was described in the year 1902 by Th. Scott as 

 the type of a ne\\ genus, the external resemblance of which to some of the Cle- 

 tuiliiln ( Mesncletodes irrasiis) was also noted. 



{)<TiiiT<'iin'. Some specimens of this form, all of the female sex, were 



lo 1 at Karsund and Korshavn, south coa.st of Norway, in depths ranging from 



-2" to fill fathoms. 



l>isti-'il>ntion. Scottish coast (Scott). 



Gen. SI. ArgeSteS, 1 ) G. O. Sars. n. 



( 'Inii'urf, /x (-Icneral form of body resembling that in the pie- 

 ceding genus. All integuments remarkably thin and soft. tienital segment in 

 ('male imperfectly subdivided; anal segment rather large. Caudal rami \er\ 

 Miiall. Anterior antenna- of a structure similar to that in l<'nltaiii<i. but rather 

 shorter. Posterior antenme with the proximal joint distinctly subdivided; outer 

 rainus small, but well defined. Mandibles with several teeth outside the inner 

 lamella of the cutting edge, palp distinctly luminous. Maxilla 1 and posterior 

 maxillipeds nearly as in Fwftoma; anterior maxillipecU, however, less full\ developed. 



\\ith oid\ a single setitenius lolir and a slight rudiment of a 2nd inside the 

 claw-heai in;; joint. 1st pair of legs with both rami distinctly .'{-articulate and 

 siibei|ual in si/e. The :', succeeding pairs resembling :n structure those in /'///- 

 luiiui. inner rainus. however, comparatively larger. Last jiair of legs likewise 

 built after the same l\pe as in that 



