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 Sertularia poly:onias (Linne) loi 



— Gayi (Lamouroux) 102 



— tenella (Alder) 104 



— fusiformis Hincks 105 



— rugosa (Linne) 106 



Diphasia Agassiz 107 



Diphasia fallax (Johnston ) 108 



— Wandeli Lev in sen m 



— rosacea (Linne) 112 



— attemiata Hincks 113 



— alnta Hincks 114 



Dynamena (Lamouroux) 114 



Dynamena piimtla (Linne) 115 



Abietinaria (Kirclienpauer) 116 



Abietinaria abietma (Linne) 117 



— ftlicu/a ( K 1 1 i s et S o 1 a n d e r ) 119 



— Q)fusca I J o h n s t o n I 1 20 



Sertularia (Linne) 122 



Sertularia cupressina Linne 1 24 



— tenera G. O. .S ars 127 



— Fabricii L e v i n s e u 1 30 



— (?) tubulij'oriiiis (M ark tan ner-Tu rneret- 



scher) 132 



— mirabilis ( Verrill) 1 33 



Hydrallmajiia Hincks 1 34 



Hydrallmania falcata (Linne) 135 



Thujaria (Fleming) 138 



Thujaria thuja (Linne) 1 39 



— sp. aff. hippuris Allni an , 141 



— laxa A 1 1 m an 142 



— alternilheca Levins en 143 



— variabilis nov. noni 145 



— lonchitis (Ellis et Solander) 146 



— carica Levinsen 148 



— sp. aff. tlistajis Fraser 148 



P.ige 



Faniih- series Proboscoida 149 



Family Campanulariida . . 149 



Campanularia (Lamarck) 153 



Campaiiittaria volubilis (Linne) 153 



— verticillata (Linne) 155 



— groenlandica Levinsen 157 



— speciosa Clark 15S 



— Integra Mac G i 1 li v r a y 159 



— Hincksi Alder 162 



— Johnstoni Alder 163 



Laomcdea Lamouroux 164 



Laomedea Jlexuosa Alder 165 



— geniculata iLinne) 166 



— longissima (Pallas) 167 



— hyalina (Hincks) 169 



— gracilis M. S a rs 170 



Bonneviella Broch 172 



Bonneviella grandis ( A 11m a u ) 173 



III. Addenda to the Athecate Hydroida 174 



Corymorpha nutans M. Sars \~.\ 



— groenlandica (Allman) 174 



Family Branchiocerianthidce 1 74 



Branchzocerianthus M ark 174 



Branchiocerianthus reniformis nov. sp 176 



IV. Zoogeographical observations on the Hydroid Fauna 



of the North Atlantic 178 



V. List of the genera treated, and type-species 19s 



Literature 197 



VL Index 201 



Errata 206 



