HjjhoscoU'.v Itingiscta Schmarda. 18G1 96 



Family Arenicolidae 98 



Ai'diifola crititata Stimpsoii, 1956 98 



Family Capitellidae 98 



Key to genera and species 98 



CapiteUa capitata (Fabricius, 1780) 99 



M( (li<i)iiastii.^ ralif(n-iiiviisis Hartman, 1944 99 



Lf'ioclirides piiUidioi- (Chamberiin, 1918) 99 



Hcto'onKistiis filifoniiis (Claparede, 1864) 99 



Ndtonidstns lolxitiis Hartman, 1947 100 



NotoiiKtsfiis httoicciis Sars, 1851 100 



NotoiiKtstus heuiipodn^f Hartman, 1947 100 



Notomastiis amcricdiiii.^ new species 100 



L( iocapitclla r/lahm Hartman, 1947 100 



Ddsi/hraiicliiiK hniihi'icoidcs Gioibe, 1878 101 



Dasijbmiicluix hniiihttus Ehlers, 1887 101 



Family Maldanidae 102 



Key to genera and species 102 



Pctalopracfiis xacidlls Andrews. 1891 10."? 



Nicdiiidclu trispiiidtd Arvvidsson. 1906 103 



Piv.i-illclld sp 103 



CljiniciiiUd tdi-(jiidtd (Leidy. 1855) 103 



Mdc)-<ich/ni(nc -oHdlis (Verrill, 1874) 103 



A.riotlH'Ild nincosd (Andrews, 1891) 103 



Brdiicliioa.'<yclii.'< amcricdiid Hai'tman, 1945 104 



Asijcliis cdfoliiidi new sjiecies 104 



Family Oweniidae 104 



Oircnid fusiforuiis Delle Chiaje, 1844 104 



Family Sternaspidae 105 



Sti riidxpi^ sciifdfd (Ranzani, 1817) 105 



Family Flabelligeridae 105 



Key to genera and species 105 



Diplocirnis capciisis Day, 1961 105 



FI(th('Ulf;( rd sp 107 



Plnnisd iiifidtd (Treadwell, 1914) 107 



Phcrnsd ihUrsi new species 107 



Notes on the genera Pirfinns Kinberg, 1867 and Plnrdsd Oken, 1807 108 



Pir(iini.'< iriicd (Claparede, 1869) new combination 108 



Pi)-(}ni/s eviivd irvhxti ri new subspecies 109 



Family Sabellariidae 109 



Key to genera and species 109 



Sdhellarid helkt Grube, 1870 110 



Sdhclldiidfloridoisis Hartman. 1944 110 



Sd/x Ihn-id grdcilis Hartman, 1944 110 



SdhcUaria viilgdiis ndgaris Verrill, 1873 110 



Sdhdlaria vitlgaiis bcaiifortoisis Hartman. 1944 110 



Family Pectinariidae Ill 



Key to subgenera and species Ill 



Pi'Cti)iurid (Pictiiiarid ) goiildii VerriW, 1873 Ill 



Family Ampharetidae Ill 



Key to genera and .species Ill 



Mtliiuiop.sis atlantica Mcintosh, 1885 112 



IX 



