NORDISKA HAFS-ANNÜLATER. 375 



att här upptaga det i sin rätta och ursprungliga betydelse, eller 

 såsom genusuamn för den grupp af Terebellacea, hvars centrum 

 Araphitrite cirrata är. 



A mp hit rite cirrata MiJLL. 



PNereis cirrosa Linne, Syst. Nat. XII 1 p. 1085 (p. p.). 

 Die buschige Amphitrite, Müller, von Vürmern p. 188 Tab. XV. 

 Amphitrite cirrata Müller, Prodr. Zeel. Dan. n. 2617, 

 » O. Fabricius, Fauna Grönl. p. 285. 



Terebella cirrata Montagu, Trans. Linn. See. XII 342 tab. 11 

 f. 1, sec. adniodum raagnum specimen authenti- 

 cum MoNTAGUi e South Devon (Mus. Leach.) in 

 Mus. Brit.! 

 » Johnston, Catal. Brit, Mus. p. 236. 



» Leückart, Archiv, für Naturg. 1849 I p. 171 



Tab. 3 f. 5. 



Segmenta corporis c. 75 — 85. Tubercula setigera in 17 seg- 

 raentis. Lobus cephalicus pone tentacula lobulis lateralibus nullis. 

 Branchise e basi verruciformi brevissimo in fiha multa subsequalia 

 elongata leviter spiraliter contorta mox divisae. Papilla conica minula 

 sub tuberculo setigero in 6 segmentis anticis, a segmento tertio seti- 

 gero usque ad nonura segmentum. Scuta ventralia c. 10 subrectan- 

 gularia. Tubus, quem animal inhabitat, pariete admodum crasso e 

 limo vel argilla confectus. Longit. animalis c. 90 — -160 m.m. vel 

 ultra, crassit. antice 7 — 10 m.ra, 



Hab. sat. frequens ad Islandiam et Grönlandiam, ad Spetsber- 

 giam vero minus frequens, ut etiam in Bahusia et in Finmarkia. 

 Spetsbergiiie: Loven 1837, Cloven Cliff et Hornsund, 20 — 60 orgyiar. 

 (0. Torell), Treurenbergbay et Kingsbay (GoÉs et Smitt), Shoal- 

 point, Safehavn et Whalerspoint 20 — 40 orgyiar. fundo argiil. (1801 

 — 1864 Ipse). Islandife: Berufjord. 15 — 20 org., et Keikiavik. 8 org. 

 (0. ToRELLj. Grönlaudiae: Proven frequens (0. Torell) et Norsorak 

 (Amondsen). Firnnarkiae: (S. Loven). Bahusite: (S. Loven). 



Tab. XXI f. 53 Amphitrite cirrata ex Islandia: 53 Ani- 

 mal a latere sinistro visum, auctum. 53 A Facies animalis, tentaculis 

 pluiimis privata, labio superiore in situ contracto. 53 B Seta capil- 

 laris c. 500:ies aueta. 53 C Branchia aucta. 53 D Unicini duo e 

 p;irte anteriori corporis c. 500:ies aucti. 



Ampi) i t rite affin is n. 



Seg:iienta corporis c. 55. Tubercula setigera iu 17 seguientis. 

 Lobus cephalicus margine poiie tentacula latcraliler vix vel p;iulo 

 proiniiieutc. Branchife c stipite crasso breve lauioste, ramis breviljus 

 haud minieroäis plenimqiie scniel f'urcatis, ramulis clongatis fili- 



