29 



SUB-ORDER CTENOSTOMATA. 



339. Hislopiidae = Hislopiadae, Bronn, III, 83. 



340. Alcyonidiidae = Alcyonidiadae, Bronn>, III, 83. 



341. Yesiculariidae = Vesiculariadae, Bronn, III, S3. 



SUB-ORDER CYCLOSTOMATA. 

 (Articiilata.} 



342. Crisiidae = Crisiadae, Bronn, III, 82. 



(Inarticulate,.} 



(Inarticulata opercidata.} 



343. Eleidae = Eleidae, Bronn, III, 82. 



344. Myriozoidae = Myriozoidae, Bronn, III, 82, 



(Inarticula ta fasc iculata . ) 



345. Fascigeridae = Fascigeridae, Bronn, III, 82, 



346. Fasciporidae = Fasdporidae, Bronn, III, 81, 



(Inarticulata tiibulata.) 



347. Tubigeridae = Tubigeridae, Bronn, III, 81. 



348. Sparsidae = Sparsidae, Bronn, III, 80. 



349. Clausidae = Clausidae, Bronn, III, 80. 



350. Crisinidae = Crisinidae, Bronn, III, 80, 



351. Caveidae = Caveidae, Bronn, III, 79. 



(Inarticulata foraminata.} 



352. Ceidae = Ceidae, Bronn, III, 79. 



353. Cavidae = Cavidae, Bronn, III, 79. 



354. Cytidae = Cytidae, Bronn, III, 79. 



355. Crescidae = Crescidae, Bronn, III, 79, 



