X TABLE OF CONTENTS 



Systematic descriptions — Continued. 



Order Cheilostomata Busk — Continued. 



Suborder Hexapogona Canu and Bassler, 1927 — Continued. Page 



Family Mamilloporidae Canu and Bassler, 1927 474 



Genus Mamillopora Smitt, 1873 475 



Genus Fedora Jullien, 1882 475 



Genus Anoteropora Canu and Bassler, 1927 475 



Genus Stenosipora Canu and Bassler, 1927 477 



Genua Kionidella Koschinsky, 1885 477 



Genus Prattia D'Archiac, 1847 479 



Family Orbituliporidae Canu and Bassler, 1923 480 



Family Conescharellinidae Levinsen, 1909 480 



Genus Conescharellina D'Orbigny, 1852 480 



Genus Trochosodon Canu and Bassler, 1927 493 



Genus Flabellopora D'Orbigny, 1852 495 



Genus Zeuglopora Map'estone, 1909 510 



Family Myriozoumidae Smitt, 1867 512 



Genus Myriozoum Donati, 1750 512 



Family Lekythoporidae Levinsen, 1909 513 



Genus Lekythopora MacGillivray, 1882 514 



Genus Turritigera Busk, 1884 514 



Genus Catadysis Canu and Bassler, 1927 514 



Genus Poecilopora MacGillivray, 1886 515 



Genus Orthoporidra Canu and Bassler, 1927 515 



Genus Actisecos Canu and Bassler, 1927 516 



Order Cyclostomata Busk 518 



Division Inovicellata 518 



Family Diastoporidae Gregory, 1899 518 



Forma Proboscina Audouin, 1826 518 



Forma Filisparsa D'Orbigny, 1853 519 



Genus Tubigerina Canu, 1911 520 



Forma Entalophora Lamouroux, 1821 521 



Family Theonoidae Busk, 1875 522 



Genus Actinopora D'Orbigny, 1853 522 



Family Frondiporidae Busk, 1875 523 



Genus Filifascigera D'Orbigny, 1853 523 



Family Crisiidae Johnston, 1847 524 



Genus Crisidia Milne Edwards, 1838 524 



Genus Bicrisia D'Orbigny, 1852 524 



Genus Filicrisia D'Orbigny, 1852 525 



Genus Crisiella Borg, 1924 525 



Genus Crisia Lamouroux, 1812 525 



Family Plagioeciidae Canu, 1918 529 



Genus Plagioecia Canu, 1918 529 



Family Mecynoeciidae Canu, 1918 529 



Genus Mecynoecia Canu, 1918 529 



Genus Microecia Canu, 1918 533 



Family Diaperoeciidae Canu, 1918 534 



Genus Diaperoecia Canu, 1918 534 



Family Tubuliporidae Johnston, 1S38 540 



Genus Tubulipora Lamarck, 1816 540 



Genus Idmonea Lamouroux, 1821 543 



Genus Pleuronea Canu and Bassler, 1920 547 



