KUNGL. SV. VET. AKADEMIENS HANDLINGAR. BAND 63. N:0 7. 



43 



425). In any case the genus Sonatsa is very uncertain; a fresk investigation of the 

 uncini that are said to be situated in 2—3 rows ought to be carried out. In my opi- 

 nion the genus cannot be distinguished from the genus Maldane. 



Maldane sarsi Malmgren. 



1865. Maldane sarsi Malmgren (6, p. 188). 



From the North Sea, 55°6' N, 0°44' W, 77 m. (SS Huxley, July 10* 1906), there 

 is the anterior part of a small weakly coloured specimen, which in other respects, how- 

 ever, shows complete agreement with Scandinavian specimens; the crescent-shaped 

 dorsal spöt of g] ands on the 5 th setigerous segment is present. 



Asychis disparidentatus (Moore). 



1904. Maldane disparidentata Moore (22, p. 424). 



1907. Asychis disparidentatus (Moore) Arwidsson (24, p. 262). 



From Bamfield Creek, Barkley Sound, on the west coast of Vancouver Island, 

 British Columbia we ha ve one specimen; ^l 5 1911, bottom: slimy mud, between tide- 

 marks. The most anterior part up to the 2 nd setigerous segment is regenerated. The 

 lower edge of the posterior funnel-like part is unevenly and weakly crenulated, ob- 

 viously on account of the preservation; ef. Arwidsson (29, p. 434). 



Upsala, Oct. 1921. 



Species treated: 



Praxillura sp.? 4 



Notoproctus pacificus 4 



Rhodine gracilior var.? 5 



Nicomache lumbricalis var. borealis 6 



» personata 7 



Petaloproctus sp.? 7 



Leiochone johnstoni 12 



» leiopygos 18 



PraxUlella gracilis var. borealis 25 



» affinis 28 



Page 



Praxillella praetermissa 28 



Olymenella rubrocincta 29 



Euclymene modesta 32 



Caecisirrus neglectus 36 



Euclymene digitata 40 



Clymene oerstedii 40 



Clymene claparedei 41 



Maldane sarsi 43 



Asychis disparidentatus 43 



