ILLUSTRATIONS. XVII 



Page. 



Fi(i. 'Jii. Genus Chorizopora Ilincks, ISM) 333 



97. Genus DarryMpura l.ai'Lr. I 111 1 334 



98. Genus Harmeria Norman, 1!)03 334 



(111. Aiuidmiv nf I lir Srlii/.oporollae ;;:;i; 



KK). Genera nf tlie subfamily Schizoporellae 339 



lol. (inn is Schizopodrella ('ami and Basal er, 1917 , 341 



1(11'. Genus Slophamisolla ('ami ami Bassler, 1917 344 



103. Genus Lacerna Jullien, ItiSS :i Hi 



1(11. (ion us Buff on ol la Jullien, 18S8 ;: III 



105. Genus Art.hropoma Levinsen, 1909 351 



loii. Schizobrachiella, ne\v i;enus '. 353 



107. Genus Schizomavella Canu and Bassler, 1917 351 



108. Genus Dakaria Jullien, 1904 359 



109. Genus Emballotheca Levinsen, 1909 ' 366 



110. Genus Tctraplaria Tenisou-Woods, 1878 367 



111. Genus Gemellipora Sniitt, 1872 369 



111'. Anatomy of the Hippoporae 370 



113. Genera "f Hie subfamily Hippoporae 373 



114. Genus Hippoporina Neviani, 1895 374 



115. llippoponella, new genus 380 



llli. Genus Hippomonella Canu and Bassler, 1917 380 



117. Genus Ilippodiplofia Canu, 1916 394 



118. Anatomy n( the Peristomollae 403 



11'.). Genera of Hie subfamily Peristomellae^ 404 



120. Genus Komancheina Jullien, 1888 407 



121 . Genus Exochella Jullien, 1S8S 414 



122. Genus Didymosella Canu and Bassler, 1917 416 



123. Anatomy of the Microporellae 418 



124. Miscellaneous genera of the Escharellidae 421 



125. ; Genus Cyclicopora Hincks, 1884 424 



126. Genus Kymella Canu and Bassler, 1917 428 



127. Genus Aimulosia Jullien, 1888 429 



128. Genus Anarthropora Smitt, 1867 430 



129. Genera of the Stomachetosellidae Canu and Bassler, 1917 432 



130. Anatomy of the Smittinidae 454 



131. Genera of the Smittinidae Levinsen, 1909 456 



132. Genus Smittina Norman, 1903 458 



132n. Genus Smittina Norman, 1903 469 



133. Genus Mucronella Hincks, 1880 474 



134. Genus Bhamphostomella Lorenz, 1886 476 



135. Genus Cystisella Canu and Bassler, 1917 480 



136. Genus Porella Gray, 1848 482 



137. Genus Umbonula Hincks, 1880 494 



1 38. Genus Bryocryptella Cossman, 1906 496 



139. Genus Hippadenella Canu and Bassler, 1917 497 



140. Anatomy of the Reteporidae Smitt, 1867 498 



141. Genus Retepora Imperato, 1599 502 



142. Genus Hippelozoon Canu and Bassler, 1917 506 



143. Genus Schizellozoon Canu and Baseler, 1917 507 



144. Genus Triphyllozoon Canu and Bassler, 1917 508 



145. Genus Rhynchozoon Hincks, 1891 509 



146. Genus Schizotheca Hincks, 1877 510 



55899 19 Bull. 106 n 



