VI 
TABLE OF CONTENTS. 
Systematic descriptions—Continued. 
Order Cheilostomata Busk—Continued. 
Family Orbituliporidae, new family—Continued. Page. 
Genus Stichoporina Stoliczka, 1861. 189 
Genus Sphaerophora Haswell, 1881. 190 
Genus Schizorthosecos Canu and Bassler, 1917. 190 
Genus Fedora Jullien, 1882. 190 
Genus Mamillopora Smitt, 1873. 191 
Order Cyclostomata Busk. 193 
Family Heteroporidae Pergens and Meunier, 1886. 193 
Genus Ceriopora Goldfuss, 1827. 193 
Family Diastoporidae Gregory, 1899. 193 
Genus Proboscina Audouin, 1826. 193 
Genus Berenicea Lamouroux, 1821. 194 
Genus Atelesopora, new genus. 194 
Family Mecynoeciidae Canu, 1918. 195 
Genus Entalophora Lamouroux, 1821... 195 
Family Oncousoeciidae Canu, 1918... 195 
Genus Filisparsa D’Orbigny, 1853. 195 
Family Crisiidae Johnston, 1847. 196 
Genus Crisia Lamouroux, 1816... 196 
Family Tubuliporidae Johnston, 1838.... 197 
Genus Tubulipora Lamarck, 1816. 197 
Genus Idmonea Lamouroux, 1821. 198 
Genus Crisina D ’Orbigny, 1852. 200 
Family Theonoidae Busk, 1859. 201 
Genus Theonoa Lamouroux, 1821. 201 
Family Diaperoeciidae Canu, 1918. 201 
Genus Stathmepora Canu and Bassler, 1922. 201 
Genus Diaperoecia Canu, 1918. 202 
Family Lichenoporidae Smitt, 1866. 203 
Genus Lichenopora Defrance, 1823. 203 
Family Tretocycloeciidae Canu, 1918. 206 
Genus Tretocycloecia Canu, 1918. 206 
Genus Psilosolen Canu and Bassler, 1922. 207 
Bibliography of literature on Bryozoa since 1899. 209 
Appendix. 244 
Explanation of plates. 245 
Index.. 293 
