22 i;. XOltHIS \V(iLl'i:.\l)EN. 



iu female, ciid segment rather iiirxcil and liroad basallv ; in male, left loot with several 

 long appendages, right foot, thin appendages at end and rest foliate; size =0'8-l mm. 

 (Naples.) 



2. S. .SCO'I'TI. 



S. ffi/irnis, Scott, Ninek'cnth Hep. Scotch Fishery Board (IHOI), ji. l';!7. 

 S. scotti, Sars, " Crustacea of >.'or\vay," Vol. IV., p. G?>. 



Slender ; cephalothorax symmetrical ; genital segment without spines, fiuva longer 

 than Ijroad, anterior antennae reach end of abdomen 2, Re of posterior antennae twice 

 as long as Ri. 9 , fifth, with denticles on last segment, which is elongated and 

 pointed ; S , fifth, penultimate joint of left foot tumefied, last segment with about half 

 a dozen sliort processes; last joint of right foot with long, sickle-shaped process. 

 Size= 'SS-'^Jo mm. (LochFyne; Norway.) 



3. S. MINUS. 



S. minor, Scott, Tenth Hep. Scotch Fishery Board, 1S92, p. St.i. 



Eol)ust, cephalothorax symmetrical ; genital segment without spines, anterior 

 antenna about as long as the thorax, furca as long as broad, fifth feet in 9 with 

 elongated last segment with two little lateral spinules ; in ^ , right foot a long foliate 

 joint at end, left foot with two digitiform processes at end, penultimate joint only 

 slightly tumefied. Size = 074 mm. (Firth of Forth.) 



4. S. LAMELLATUM. 

 ;S'. lamell/i/u.'!, Sars, " Crustacea of Norway," Vol. IV., p. G2. 



Sliort and rol)ust, last segment a.symmetrical ; right side longest, genital segment 

 unsymmetrical and rounded prominence on right side, but no spines ; furca about as 

 long as broad, anterior antennae reach to furca, branches of posterior antennae e(|ual ; 

 fifth foot in 9 , last joint elongated, with fine spine midway ; in ^ , left foot with 

 much tumefied penultimate segment, with proximally a long spine, and last joint 

 with a number (about nine) of leaf-like appendages ; right foot not foliate, but last 

 joint with three or four short, rounded appendages. Size= 1 mm. (Norway.) 



5. S. FULTONI. 

 <S'. fultoni, Scott, Ann. and Mag. Nat. Hist., 7th series, Vol. I. (18'.)8), p. 18.5. 



Cephalothorax symmetrical ; genital segment with spine and hook ventrally. 

 Fifth feet in 9 are lai'ger and broader (knife-like) than the other, which is pointed ; in 6 

 right foot with elongated penultimate segment and short, strong, foliate end segment ; 

 left foot, penultimate segment tumefied, extremity with five or six leaf appendages, 

 and bifid claw. Size = 1 mm. ((!lyde.) 



