X CONTENTS. 



Systematic descriptions Continued. 



Order Cheiloslomata Busk Continued. 



Suborder Ascophora Levinsen, 1909 Continued. 



Family Smitiinidae Levinsen, 1909 Continued. fage. 



Genus Cystisella Cami and Bassler, 1917 479 



Porella Gray, 1848 479 



Umbonula Hincks, 1880 494 



Phoceana Jullien, 1903 ' 495 



Bryocryptella Cossman, 1906 496 



Hippadenella Canu and Bassler, 1917 497 



Family Reteporidae Smitt, 1867 500 



Genus Retepora Imperato, 1599 500 



Hippellozoon Canu and Bassler, 1917 505 



Schizellozoon Canu and Bassler, 1917 505 



Triphyllozoon Canu and Bassler, 1917 506 



Rhynchozoon Hincks, 1891 506 



Schizotheca Hincks, 1877 508 



Lepraliella Levinsen, 1916 509 



Family Galeopsidae Jullien, 1903 509 



Genus Galeopsis Jullien, 1903 510 



Schizaropsis Canu and Bassler, 1917 515 



Haswellia Busk, 1884 516 



Semihaswellia Canu and Bassler, 1917 517 



Gigantopora Ridley, 1881 519 



Gephyrophora Busk, 1884 521 



Tessaradoma Norman, 1868 521 



Tremotoichos Canu and Bassler, 1917 523 



Family Hippopodinidae Levinsen, 1909 524 



Genus Cheilopora Levinsen, 1909 525 



Hippopodina Levinsen, 1909 532 



Metrarabdotos Canu, 1914 533 



Watersipora Neviani, 1595 537 



Family Tubucellariidae Busk, 1884 . . 539 



Genus Tubucellaria D'Orbigny, 1852... 542 



Subgenus Tutmcella ('unu and Bassler, 1917 546 



Genus Tubiporella Levinsen, 190!) 5'19 



Siphonicytara Busk, 1884 549 



Family Catenicellidae Busk, 1852 550 



Genus Catenicella D'Orbigny, 1852 550 



Family Adeonidae Jullien, 1903 550 



Genus Meniscopora Gregory, 1893 555 



Bracebridgia MacGillivray, lj8S6 557 



Adeona (Lamouroux, 1816) Levinsen, 1909 560 



Adeonella (Busk, 1884) Waters, 1888 561 



Adeonellopsis MacGillivray, 1886 563 



Dimorphocella Maplestone, 1903 571 



Laminopora Michelin, 1842 571 



Family Phylact ellidae Canu and Bassler, 1917 572 



Genus Phylactella Hincks, 1880 573 



Perigastrella Canu and Bassler ,1917 576 



Hemicyclopora Norman, 1894 586 



Mastigophora Hincks, 1880 586 



Schizobathysella Canu and Bassler, 1917 590 



