TABLE OF CONTENTS V 



Systematic descriptions — Continued. 



Order Cheilostomata Busk — Continued. 



Suborder Anasca Levinsen — Continued. 



Division 3. Coilostega Levinsen, 1909 — Continued. Page 



Family Chlidoniidae Busk, 1884 165 



Genus Chlidonia Lamouroux, 1824 167 



Family Alysidiidae Levinsen, 1909 167 



Genus Alysidium Busk, 1852 168 



Genus Catenariopsis Maplestonc, 1899 168 



Genus Catenicula O'Donoghue, 1924 168 



Division 4. Pseudostega Levinsen, 1909 168 



Family Ccllariidae Hincks, 1880 168 



Genus Cellaria Ellis and Solander, 1786 168 



Genus Cryptostomaria Canu and Bassler, 1927 173 



Genus Stomhypselosaria Canu and Bassler, 1927- . 173 



Genus Mesostomaria Canu and Bassler, 1927 175 



Genus Syringotrema Harmer, 1926 177 



Genus Atelestozoum Harmer, 1926 177 



Family Membranicellariidae Levinsen, 1909 178 



Genus Membranicellaria Levinsen, 1909 178 



Genus Erinella Canu and Bassler, 1927 179 



Genus Dictuonia Jullien, 1881 180 



Genus Omoiosia Canu and Bassler, 1927 180 



Family Coscinopleuridae Canu, 1913 181 



Genus Escharifora D'Orbigny, 1851 182 



Division 5. Cellularina Smitt, 1867 183 



Family Farciminariidae Busk, 1852 183 



Genus Levinsenella Harmer, 1926 184 



Genus Farciminaria Busk, 1852 184 



Genus Didymozoum Harmer, 1923 184 



Genus Farciminellum Harmer, 1926 185 



Genus Nellia Busk, 1852 185 



Family Bugulidae Gray, 1848 187 



Genus Bugula Oken, 1915 193 



Genus Caulibugula Verrill, 1900 193 



Genus Bugularia Levinsen, 1909 193 



Genus Watersia Levinsen, 1909 193 



Genus Dendrobeania Levinsen, 1909 193 



Genus Euoplozoum Harmer, 1923 193 



Genus Camptoplitee Harmer, 1923 195 



Genus Kinetoskias Danielssen, 1868 195 



Genus Himantozouni Banner, 1923 195 



Genus Halophila (Gray, 1843) Levinsen, 1909 195 



Family Scrupocellariidae Levinsen, 1909 199 



Genus Scrupocellaria Van Beneden, 1845 205 



Genus Cauda Lamouroux, 1816 211 



Genus Caberea Lamouroux, 1816 213 



Genus Amastigia Busk, 1852 216 



Genus Notoplii< ts Banner, 1923 216 



Genus Tricellaria Fleming. I S2S 217 



Genus Bugulopsis Verrill, 1880 217 



Genus Jubella Jullien, 1882 218 



