Family APISTOBRANCHIDAE 87 



Genus Skardaria Wesenberg-Lund 87 



Skardaria fragmentata Wesenberg-Lund 87 



Family SPIONIDAE 88 



Genus Dispio Hartman 88 



Dispio uncinata Hartman 88 



Genus Spio Fabricius 89 



Spio punctata, new species 89 



Genus Nerine Johnston 90 



Nerine foliosa occidentalism new subspecies 90 



Genus Nerinides Mesnil 91 



Nerinides maculata, new species 91 



Nerinides pigmentata (Reish) , new combination . ... 92 



Genus Prionospio Malmgren 93 



Prionospio pygmaeus, new species 93 



Genus Boccardia Carazzi 95 



Boccardia basilaria, new species 95 



Genus Polydora Bosc 96 



Polydora neocardalia, new species • 96 



Polydora limicola Annenkova 98 



Polydora websteri Hartman 99 



Polydora quadrilobata Jacobi 100 



Genus Pseudopolydora Czerniavsky 100 



Pseudopolydora sp 100 



Family MAGELONIDAE 101 



Genus Magelona Miiller 101 



Magelona sacculata, new species 101 



Family CIRRATULIDAE 102 



Genus Cirratulus Lamarck 105 



Cirratulus cirratus (Miiller) 105 



Cirratulus cirratus spectabilis (Kinberg) 105 



Cirratulus cirratus cingulatus Johnson 106 



Genus Caulleriella Chamberlin 107 



Caulleriella hamata (Hartman), new combination . . . 107 



Caulleriella alata (Southern) 108 



Genus Chaetozone Malmgren 109 



Chaetozone setosa Malmgren 109 



Chaetozone corona Berkeley and Berkeley 109 



Chaetozone tnultioculata, new species 110 



Chaetozone gracilis (Moore) Ill 



Genus Tharyx Webster and Benedict ........ 112 



