I\ 



is mon allied to L. longirosl i S than to any other northern spei 



1 ie dorsal edge has only 2 teeth, whileL. longirostris has aboul 7; the pseudo- 

 ■ nn-wli.it 1 the antenna] notch without teeth; the List thoracii segment 



s, while only one paii are found in L. longirostris; in-1 abdominal segment 

 ti.il processes not found in anj other species, finallj the endopod ol the uropods has its 

 proportionatel) .1 good deal shorter than in L. longirosh 

 Nol taken by the fngolf", but bj Di Joh Schmidt in the middle ol Jul} [90 



th of Iceland: Lai 62 s; N., Long, m 5 s W v* fath. j specimens. 



8, Leucon profundus n sp. 

 (PI. I. figs (.1 - ( .l 



Female (with marsupium). Carapace rather oblong, without pseudorostrum a little less than 

 hall igairj as deep, and slight^ shorter than the free segments combined when the pseudorostrum is 



included the carapat e 1- .1 lit t k- less than twice as Long as deep. The serration on the dorsal edge 1- well devel- 

 : excepting a moderately short interruption somewhat before the posterioi end The frontal lobe has on 

 each sid. tooth .1 little above its lower margin. Pseudorostrum rather Long, a Little less than 



third as Long as the carapace without pseudorostrum, somewhat upturned, half as long again as dee]); 

 the upper margin is slighth. concave, the lower and the terminal margins constitute together a continuous 

 rather convex Line, and the- terminal margin has aboul '1 somewhal small teeth. The antenna! notch is sub- 

 angular at the bottom and rather deep, as the antero-lateral cornei ol the carapace is considerably produced 

 with it- upper margin finely serrated ; the lower margin of the carapace has onlj about 7 teeth. The abdomen 

 is moderately robust aboul as in /.. Nasica kr . and somewhat longer than carapace with pseudorostrum. 



The antennulse when stretched forward- (fig, j.b) with the peduncle long, reaching far beyond the 



end of pseudorostrum. Second joinl ol the peduncle is unusually slender, third joint longer than second and 



-till considerably more slendei outer Sagellum only half as long as third peduncular joint, with its first joint 



than the two other joints combined; inner flagellum very short. Third maxillipeds normal; fourth 



joint with z teeth, both on the distal part of its outer side, while the fifth joint has only a single tooth, situated 



ll> on the outer margin. First pair ot lr-- ill- 4c) moderately robust; second joint on the distal half 



e lower margin with a row ot strong teeth; third joint with a tooth on the inner, and fourth joinl with a 



th on the outer margin near the end, fifth joint conspicuous!) longei than the sixth, which is not full) 



th. S nd pair ol legs with the carpus rather long, somewhal Longei than the pro- 



abined Qropods moderately -lender (fig rdi, the peduncle a Little Longer than 

 with about 3 Long and 1 short along the distal half ol the inner margin second joint of 



,: :<- outei margin, no setae on the upper side, while the end and the 



■ inner margin have the usual loi endopod verj considerably longer than the exopod, 



md a hall times as lo d joinl and slightly shorter than the exopod. with 



