7. Annelida, c) Polychaeta. 383 



Aricia arctica, Han sen, Nyt Mag. f. Naturvid. Sep.-Abdr. . p. 3. 



Ariciarubra Northampton Co.' 1 , Webster. Trans. Alb. Inst. Vol. 9. p. 253. 



Aricidea nov. gen. Ariciidarnm. Webster, ibid. p. 255. Ein Ftihler : Ruder zwei- 

 astig , dorsale Aste mit Cirren , ventrale Aste nur an den vorderen Segmenten rnit 

 Cirren ; Kiemen nur an den vorderen Segmenten : Borsteu einfach , haarforinig ; 

 erstes Segment mit Borsten, ohne Fiihlercirren. 



Aricidea fragilis (Northampton Co.), Webster, ibid. p. 255. 



Cirratulus dasylophius V 0stkilste von Eno-sima , Mare nz eller , Denkschr. Wieu. 

 Akad. 41. Bd. (Sep.-Abdr.) p. 38. 



Cirratulus comosus Siidjapaii , Marenzeller, ibid. p. 30. 



Acrocirrus validus ^Ostkiiste von Euo-sima . Marenzeller. ibid. p. 41. 



Spio limicola Cape Cod Bay, 16 25 Faden), Verrill, 1. 1. p. 176. 



Polydom gracilis : Block Island)-, Verrill, ibid. p. 171. 



Polydora concharum ( Cape Cod bisNova Scotia, 18 1 00 Faden), Verrill, ibid, p.17-1. 



Polydora hamata 'Northampton Co.), Webster, Trans. Alb. Inst. Vol. 9. p. 251. 



Polydora coeca Northampton Co.) , Webster, ibid. p. 252. 



Heterocirrus Jimbriatus (Bay of Fundy, GO Faden), Verrill, 1. 1. p. 177. 



Spiophanes tennis (Cape Cod Bay, 16 21 Faden), Verrill, ibid. p. 176. 



Nerine heteropoda (Northampton Co.), Webster, 1. 1. p. 249. 



Chactoptcms cautns ^Yokohama '? ) , Marenzeller, 1. 1 . p . 35. 



Spiochaetoptems oculatus (Northampton Co.), Webster, 1. 1. p. 246. 



Sternaspis costala i Bucht von Miya) , Marenzeller, 1. 1. p. 34. 



Trophonia arenosa Northampton Co.), Webster, 1. 1. p. 245. 



Polycirrus phosphoreus ( Stonington , Cenn. , bis Bay of Fundy , 1 5 Faden) , V e r r i 1 1, 

 1. 1. p. 181. 



Sabellides octocirrata var. mediterranea (Marseille) , Marion, Draguages. Ann. Sc. nat. 

 T. S. Art. 7. p. 21. 



Melinna vnaculata (Northampton Co.) , Webster, ibid. p. 261. 



Samytha pallescem iNowaja Semblja , The el, ibid. p. 61. 



Myriochcle Damelsseni, Hansen, Nyt Mag. Naturvid. (Sep.-Abdr.) p. 4. 



Pcctinaria (Lagis) dubia (Northampton Co.), Webster, ibid. p. 261. 



Sabellaria varians Northampton Co. ), Webster, ibid. p. 259. 



Potamilla tortuosa (Northampton Co.], Webster, ibid. p. 265. 



Lysilla alba (Northampton Co.), Webster, ibid. p. 263. 



Psygmobranchus intcrmedius iMarseille) , Marion, Draguages, ibid. p. 2S. 



Spirorbis Beneti (Marseille), Marion, Draguages, ibid. p. 29. 



Spirorbis Stimpsoni [Massachusetts Bay bis Nova Scotia, 10 80 Faden , Verrill. 

 1. 1. p. 181. 



Apomatus (?) globifer (Nowaja Semblja), The el. K. Sv. Vet. Akad. Handl. 16. Bd. 

 Nr. 3. p. 66. 



Dysponetus nov. gen., Levins en, Arct. Aunel. (Vid. Med. Nat. Foren.): Corpus 

 elongato-ovatuni e segmentis panels omnibus setigeris coDipositum. Lobus cepha- 

 licus appendicibus brevissimis peduuculatis septem instructus. Pedes biremes, 

 remis bene sejunctis, dorsalibus setas simplices cirrosque elongate foliiformes. ven- 

 tralibus setas compositas cirrosque minutos gerentibus. Branchiae nullae. Seg- 

 mentuni anale cirrorum loco processu coniform! instructuni. Proboscis amphori- 

 formis niaxillis duabus elongatis antice anguste hastiformibus munita. D. pym- 

 naeus (zwischen Laminarienwurzeln bei Egedesminde [Gronland] ) , Levin sen. 



Paractms nov. gen., Levin sen, Arctiske Annelider (1. 1.': Corpus elongatum. Lo- 

 bus cephalicus appendicibus brevibus inarticulatis quattuor instructus, quarum duae 

 in parte dorsali. duae sub marginibus lateralibus lobi cephalic! affixae sunt. Seg- 

 menta duo sequentia nuda. Pedes unirenies setas paucas (siniplices et compositas) 



