CONTENTS. 
VII 
Systematic descriptions — Continued. 
Order Clieilostomata Busk — Continued. 
Suborder Anasca Levinsen — Continued. 
Group Membraniporae Canu and Bassler, 1917 — Continued. page 
Genera of Membraniporae unrepresented 174 
Genus Cauloramphus Norman, 1903 174 
Ammatophora Norman, 1903 175 
Marssonopora Lang, 1914 175 
Antropora Norman, 1903 175 
Membrostega Jullien, 1903 176 
Megapora Hincks, 1877 176 
Discoflustrellaria D’Orbigny, 1851 176 
Crepis Jullien, 1882 177 
Foveolaria Busk, 1884 177 
Family Aeteidae Smitt, 1867 177 
Genus Aetea Lamouroux, 1812 178 
Family Scrupocellariidae Levinsen, 1909 180 
Genus Scrupocellaria Van Beneden, 1844 181 
Caberea Lamouroux, 1816 191 
Family Farciminariidae Busk, 1852 194 
Genus Nellia Busk, 1852 195 
Heterocella Canu, 1907 198 
Family Eucratiidae Hincks, 1880 199 
Genus Gemellaria Savigny, 1811 200 
Division II. Coilostega Levinsen, 1909 201 
Family Opesiulidae Jullien, 1888 201 
Subfamily Onychocellidae Jullien, 1881 204 
Genus Onychocella Jullien, 1881 205 
Rectonychocella Canu and Bassler, 1917 209 
Velumella Canu and Bassler, 1917 213 
Diplopholeos Canu and Bassler, 1917 215 
Floridina Jullien, 1881 219 
Smittipora Jullien, 188.1 225 
Subfamily Microporidae Hincks, 1880 227 
Genus Rosseliana Jullien, 1888 228 
Floridinella Canu and Bassler, 1917 229 
Gargantua Jullien, 1888 230 
Dacryonella Canu and Bassler, 1917 - 231 
Aechmella Canu and Bassler, 1917 233 
Micropora Gray, 1848 234 
Hoplocbeilina Canu, 1911 ' 237 
Subfamily Lunulariidae Levinsen, 1909 238 
Genus Lunularia Busk, 1884 238 
Family Aspidostomidae Canu, 1908 252 
Genus Rhagasostoma Koschinsky, 1885 253 
Odontionella Canu and Bassler, 1917 256 
Euritina Canu, 1900 256 
Labiopora Levinsen, 1909 258 
Crateropora Levinsen, 1909 259 
