1784 



THE VOYAGE OF H.M.S. CHALLENGER. 



Hymenactura, 473. 



archimedis, 473. 



copernici, 475. 



hexagona, 474. 



ptolomaei, 475. 



pythagorae, 474. 



trigona, 474. 

 Hymenactinium, 475. 

 Hymenacturium, 474. 

 Hymenastrella, 530. 

 Hymenastromma, 531. 

 Hymeniastrum, 530. 



archimedis, 531. 



euclidis, 531. 



giimbelii, 530. 



koellikeri, 530. 



leydigii, 530. 



pythagorae, 531. 



ternarium, 531. 



trigonarium, 532. 

 Hystrichasparium, 822. 

 Hystrichaspidium, 823. 

 Hystrichaspis, 822. 



armata, 824. 



cristata, 823. 



divaricata, 824. 



dorsata, 823. 



foveolata, 824. 



fruticata, 825. 



furcata, 822. 



pectinata, 822. 



serrata, 825. 



sulcata, 824. 



ICOSAOANTHA, 717. 



Icosasparium, 843. 

 Icosaspidium, 845. 

 Icosaspis, 844. 



cruciata, 844. 



elegans, 844. 



icosahedra, 845. 



icosastaura, 846. 



multiforis, 845. 



ornata, 844. 



spectabilis, 845. 



tabulate, 843. 



tetragonopa, 845. 



Lampoxanthium, 36. 



brevispiculum, 36. 



octoceras, 37. 



pandora, 38. 



punctatum, 37. 



tetractinium, 37. 

 Lamprocyelas, 1390. 



segles, 1391. 



bajaderse, 1392. 



deflorata, 1391. 



maritalis, 1390. 



nuptialis, 1390. 



Lamprocyelas 



regime, 1391. 



saltatricis, 1391. 

 Lamprocyclia, 1390. 

 Lamprocycloma, 1392. 

 Lamprodiscus, 1212. 



coscinodiscus, 1213. 



hevis, 1214. 



monoccros, 1213. 



tricostatus, 1213. 

 Lampromitra, 1214. 



arborescens, 1216. 



coronata, 1214. 



dendrocorona, 1216. 



furcata, 1215. 



huxleyi, 1215. 



pyramidalis, 1215. 



quadricuspis, 1214. 



schultzei, 1216. 

 LAMPROSPTRIDA, 1092. 

 Lamprospyris, 1093. 



darwinii, 1094. 



hookeri, 1094. 



huxleyi, 1094. 



lyelli, 1094. 



spenceri, 1095. 

 Lamprotripus, 1199. 



harrulus, 1201. 



spinosus, 1201. 



squarrosus, 1200. 

 Lampterium, 1376. 

 Lamptidium, 1377. 

 Lamptonium, 1378. 

 LARCAKIDA, 605. 

 Larcarium, 608. 



amphistylum, 608. 



axostylum, 609. 



chsetostylum, 609. 



hexastylum, 608. 



octostylum, 609. 



polystylum, 609. 



staurostylum, 608. 

 Larcidium, 611. 



axacanthum, 611. 



dissacanthum, 611. 



dodecanthum, 612. 



hexacanthum, 611. 



octacanthum, 612. 



polyacantlium, 612. 

 LARCOIDEA, 599. 

 Larcospira, 696. 



lentelliptica, 696. 



oliva, 697. 



quadrangula, 696. 



sexangula, 696. 

 Larcospirema, 696. 

 LARCOSPIRIDA, 695. 

 Larcospironium, 697. 

 LARNACALPIDA, 619. 

 Larnacalpis, 620. 



Larnacalpis 



lentellipsis, 620. 



macrococcus, 621. 



phacodiscus, 620. 



subsphserica, 621. 



triaxonia, 621. 

 Larnacantha, 621. 



bicruciata, 623. 



cladacantha, 623. 



decacantha, 624. 



dissacantha, 622. 



dodecantha, 624. 



drymacautha, 624. 



hexacantha, 622. 



octacantha, 623. 



prismatica, 623. 



quadricornis, 622. 



stauracantha, 622. 

 LARNACIDA, 614. 

 Larnacidium, 618. 



hexabelonium, 619. 



polybelonium, 619. 



staurobelonium, 619. 

 Larnacilla, 617. 



medullaris, 618. 



prometor, 618. 



subglobosa, 618. 



typus, 617. 

 LARNACILLIDA, 617. 

 Larnacoina, 625. 



hexagonium, 625. 



lentellipticum, 625. 



quadruplex, 625. 

 Larnacospongus, 626. 



larnacillifer, 626. 



tetrapylifer, 626. 

 Larnacostupa, 627. 



dendrophora, 627. 



octacantha, 627. 



spinosa, 627. 

 Leptarachnium, 1248. 



aurelia, 1248. 

 Leptosphaera, 244. 



ciliata, 245. 



hexagonalis, 244. 



polygonalis, 245. 



reticulum, 246. 



serrata, 245. 



spinosa, 245. 



stellata, 245. 

 Liosphoera, 76. 



hexagonia, 76. 



peridrominm, 77. 



polypora, 78. 



porulosa, 77. 



rhodococcus, 77. 

 LIOSPH.SRIDA, 59. 

 Liriospyris, 1049. 



amphithecta, 1050. 



clathrata, 1049. 



