290 



with both joints terminating in a claw-like projection. Inner minus of 2nd pair 

 of I.--- somewhat more produced than in female. ;md having the setae more elon- 

 ted; that nf :>rd pair distinctly Inarticulate, with the middle joint produced at 

 the .'iid outside i.i a Imi- deilexed spinilorm process. Last pair of legs much 

 -niall.-r than in female, with the distal joint more distinctly defined: inner ex- 

 pansion of proximal joint \er\ slight, with only ~1 setae. 

 .our not yet ascertained. 



!. n-th of adult female n.s'.t mm. 



/////"//,-. This inrm. a- stated above, was tirst described by ( 'laus under 

 the name of l.iHj,li>,,-<ii<i /'/////>-. and was subsequently redeserilied by Pro!'. Brady. 

 It i> an easily recognisable species, which cannot be confounded with any other 

 form belonging to the present family. 



Occurrence. i'nl\ ~1 specimens of this form, a female and a male, have 

 hitherto come under my notice. They were both found in a sample kindly sent 

 to me by Mr. Nordgaard. who took it in the Skja-rstad Fjord, just within the 

 polar circle. 



/>/-!, -I/mi/ -.//. .Mediterranean, at Nice (Clans). British Isles ( Brady ). l-nilf 

 nf tiiiinea (Seott) 



Gen. nn. MesOCletOdes, (J. O. Sars, n. 



Generic Characters. Body sub-c\lindric in form, with the segments densely 

 at the hind edge. Internments rather thin and flexible. Cephalic segment 

 Minparati\e]y short, with the rostral projection almost obsolete. Urosome scarcely 



attenuated behind, and having the last segment rather large. Caudal raini slender 



:iml iian-ou. Anterior antenna- with the number of joints less reduced than in 

 the -2 preeediiiL- 'jeiM'ra. Posterior antenna' )evs strongly built, with the basal 

 joint distinctly dnided in the middle, outer raimis >mall but well defined. Man- 

 dibnlar palp distinctly biart icnlate. Maxilla- without any distinct exopodal and 



ejupodal |obe>. Maxillipeds e pa ra t i \ el y sin a 1 1 . Natatorv legs with the inner raimis 



o| esentiall\ the Bailie structure in all pairs and rather small. Inarticulate, outer 



raimis in 1st pan of moderate si/e. in the :; siieceeilin.- jiairs very slender, with 



tli' "f the inner edge rudimentary. Last pair of legs with the distal joint 



d. -lined and \er\ narrow : inner expansion of proximal joint short and broad. 



