1778 



THE VOYAGE OF H.M.S. CHALLENGER. 



Dictyopodium 



liwrne, 1332. 



chalUngeri, 1231. 



cothurnatum, 1353. 



eucolpum, 1332. 



eurylophus, 1352. 



oxylophus, 1353. 



scaphopodium, 1353. 



thyrsolophus, 1351. 



trilobum, 1333. 

 Dictyoprona, 1250. 

 Dictyoprora, 1305. 

 Dictyosoma, 90. 



spongiosum, 90. 



trigonizon, 1612. 

 Dictyospyrantha, 1073. 

 Dictyospyrella, 1074. 

 Dictyospyris, 1073. 



anthophora, 1076. 



biloba, 1074. 



clathrata, 1049. 



elathrus, 1049. 



distoma, 1073. 



enneastoma, 1077. 



fenestra, 1075. 



gigas, 1075. 



hexastoma, 1077. 



mammillaris, 1076. 



messanensis, 1076. 



polystoma, 1077. 



quadriloba, 1076. 



reticulata, 1096. 



sphcera, 1400. 



spinulosa, 1075. 



stalactites, 1073. 



tetrastoma, 1075. 



tridentata, 1072. 



triloba, 1074. 



triomma, 1074. 



tristoma, 1074. 

 Dictyospyrissa, 1075. 

 Dietyospyromma, 1076. 

 DICYKTIDA, 1192. 

 Didymocyrtis, 364. 



ceratospyris, 366. 



entomoccrra, 367. 



hexagonia, 364. 



faceta, 365. 

 Didymospyris, 367. 



colpodes, 367. 



entomocora, 367. 

 Dioniscus, 486. 

 Diplactinium, 470. 

 Diplactura, 469. 



diplobraohia, 469. 



diploconus, 470. 

 Diplacterium, 469. 

 DIPLOCONIDA, 881. 

 Diploconium, 886. 

 Diploconulus, 885. 



Diploconus, 885. 



amalla, 885. 



cotyliscus, 886. 



cyathiscus, 885. 



cylindrus, 885. 



fasces, 886. 



hexaphyllus, 886. 



saturuus, 886. 

 Diplocolpium, 887. 

 Diplocolpulus, 880. 

 Diplocolpus, 887. 



costatus, 887. 



cristatua, 887. 



dentatus, 888. 



serratus, 888. 



sulcatus, 888. 

 Diplocyclas, 1392. 



bicincta, 1393. 



bicorona, 1392. 



bizonalis, 1373. 



DlPLOPHRACTA, 847. 



Diplosphaera, 246. 



dentieulata, 247. 



dictyota, 247. 



gracilis, 247. 



hexagonalis, 246. 



ornata, 246. 



polygonalis, 247. 



reticulata, 248. 



spinosa, 245. 



stellata, 251. 



triglochin, 248. 

 DIPLOSPH.ERIDA, 230. 



DlPLOZONAKIA, 640. 



Dipoeoronis, 980. 

 Dipocubus, 993. 

 Diporasparium, 816. 

 DIPORASFIDA, 808. 

 Diporaspidium, 817. 

 Diporaspis, 816. 



circopora, 816. 



nephropora, 816. 



zygopora, 817. 

 DIPOSPYRIDA, 1035. 

 Dipospyris, 1036. 



bipes, 1036. 



chelifer, 1037. 



cubus, 1036. 



forcipata, 1037. 



irregularis, 1037. 



mystax, 1036. 



sigmopodium, 1037. 

 DISCIDA, 402. 

 DISCOIDEA, 402. 



DlSCOPYLIDA, 571. 



Discospira, 495. 



accrescens, 499. 

 Ulix, 496. 

 deformis, 498. 

 duplex, 497. 



aira 



helicoides, 496. 



operculina, 496. 



spiralis, 496. 

 DISCOSPIRIDA, 481. 

 Discopyle, 573. 



elliptica, 573. 



osculata, 573. 

 Discozonium, 571. 



cyclonium, 571. 



hexagon ium, 572. 



trigonium, 572. 

 Disolenia, 113. 

 Distephanolithis, 970. 

 Distephanus, 1562. 



aculeatus, 1565. 



asteroides, 1564. 



corona, 1566. 



crux, 1563. 



diadema, 1567. 



mesophthalmus, 1563. 



octogonius, 1567. 



octonarius, 1566. 



ornamentum, 1565. 



pentasterias, 1564. 



rotundus, 1565. 



sinus, 1566. 



speculum, 1565. 



stauracanthus, 1564. 

 Distriactis, 436. 



alternatus, 437. 



amphithectus, 437. 



corallanthus, 437. 



lirianthus, 436. 



paimanthus, 437. 

 Dizonium, 635. 



amphacanthum, 636. 



circulare, 635. 



elliptieum, 635. 



octacanthum, 636. 



pleuracanthum, 636. 



stauracanthum, 636. 



transversum, 635. 

 Dodecaspis, 834. 



tricinata, 834. 



trizonia, 835. 

 Doracantha, 756. 



dorataspis, 756. 

 Doratasparium, 813. 



DORATASPIDA, 802. 

 Dorataspidium, 814. 

 Dorataspis, 813. 



tipennis, 809. 



cataphracta, 810. 



costata, 812. 



diodon, 837. 



fusigera, 813. 



gladiata, 815. 



loricata, 814. 



macracautha, 814. 



