1784 



THE VOYAGE OF H.M.S. CHALLENGEE. 



Hymenactura, 473. 



archimedis, 473. 



copernici, 475. 



he.xagona, 474. 



ptolomaei, 475. 



pytliagorffi, 474. 



trigona, 474. 

 Hymenactinium, 475. 

 Hymenacturium, 474. 

 Hymenasti'ella, 530. 

 Hymenastromraa, 531. 

 Hymeniastrum, 530. 



archimedis, 531. 



euclidis, 531. 



giimlielii, 530. 



koellikeri, 530. 



leydigii, 530. 



pythagorse, 531. 



ternariura, 531. 



trigonarium, 532. 

 Hystricliasparium, 822. 

 Hystricbaspidium, 823. 

 Hystrichaspis, 822. 



armata, 824. 



cristata, 823. 



divaricata, 824. 



dorsata, 823. 



foveolata, 824. 



fruticata, 825. 



furcata, 822. 



pectinata, 822. 



serrata, 825. 



sulcata, 824.. 



ICOSACANTHA, 717. 

 Icosaspaiium, 843. 

 Icosaspidium, 845. 

 Icosaspis, 844. 



cruciata, 844. 



elegans, 844. 



icosahedra, 845. 



icosastaura, 846. 



multiforis, 845. 



omata, 844. 



spectabilis, 845. 



tabulata, 843. 



tetragonopa, 845. 



Lampoxantbium, 36. 



hrcvispkuluin, 36. 



octoceras, 37. 



pandora, 38. 



punctatum, 37. 



tetractiniuni, 37. 

 Lamprocyclas, 1390. 



ffigles, 1391. 



bajadera?, 1392. 



deflorata, 1391. 



mari talis, 1390. 



nuptialis, 1390. 



Lamprocyclas — 



reginaB, 1391. 



saltatrieis, 1391. 

 Lamprocyclia, 1390. 

 Lamprocycloma, 1392. 

 Lamprodiscus, 1212. 



coscinodiscus, 1213. 



Ifevis, 1214. 



monoceros, 1213. 



trieostatus, 1213. 

 Lampromitra, 1214. 



arborescens, 1216. 



coronata, 1214, 



dendrocorona, 1216. 



furcata, 1215. 



husleyi, 1215. 



pyramidalis, 1215. 



quadricuspis, 1214. 



schultzei, 1216. 

 Lamprospykida, 1092. 

 Lamprospyris, 1093. 



darmnii, 1094. 



bookeri, 1094. 



huxleyi, 1094. 



lyelli, 1094. 



spenceri, 1095. 

 Lamprotripus, 1199. 



Jwrridus, 1201. 



spinosus, 1201. 



sqnarros^is, 1200. 

 Lampterium, 1376. 

 Lamptidium, 1377. 

 Laniptouium, 1378. 

 Larcaeida, 605. 

 Larcarium, 608. 



amphistyluui, 60S. 



axostylum, 609. 



cbiEtostylum, 609. 



hexastj'lum, 608. 



octostylum, 609. 



polystylum, 609. 



staurostyluni, 608. 

 Larcidium, 611. 



axacantbum, 611. 



dissacanthum, 611. 



dodecanthum, 612. 



hexacanthum, 611. 



octacaiitbum, 612. 



polyacantbum, 612. 

 Larcoidea, 599. 

 Larcospira, 696. 



lentelliptica, 696. 



oliva, 697. 



quadrangula, 696. 



se.xangula, 696. 

 Larcospirema, 696. 

 Larcospikida, 695. 

 Larcospironium, 697. 

 L.4.RNACALPIDA, 619. 



Larnacalpis, 620. 



Larnacalpis — 



lentellipsis, 620. 



macroeoccus, 621. 



pbacodiscus, 620. 



subsphaerica, 621. 



triaxonia, 621. 

 Larnacantha, 621. 



bicruciata, 623. 



eladacautha, 623. 



decacantba, 624. 



dissacantha, 622. 



dodecantlia, 624. 



di'}iuacantha, 624. 



bexacantba, 622. 



octacantba, 623. 



prismatica, 623. 



quadricornis, 622. 



stauracantha, 622. 

 Labnacida, 614. 

 Larnacidium, 618. 



hexabelonium, 619. 



polybelonium, 619. 



staurobelonium, 619. 

 Lamacilla, 617. 



medullaris, 618. 



prometor, 618. 



subglobosa, 618. 



typus, 617. 

 Larnacillida, 617. 

 Larnacoma, 625. 



bexagonium, 625. 



lentellipticum, 625. 



quadniplex, 625. 

 Larnacospoiigus, 626. 



larnacillifer, 626. 



tetrapylifer, 626. 

 Larnacostupa, 627. 



dendrophcra, 627. 



octacantba, 627. 



sjiinosa, 627. 

 Leptarachnium, 1248. 



aurelia, 1248. 

 Leptospbsera, 244. 



ciliata, 245. 



hexagonalis, 244. 



poh'gonalis, 245. 



reticulum, 246. 



serrata, 245. 



spinosa, 245. 



steUata, 245. 

 Liospbfera, 76. 



bexagonia, 76. 



peridromium, 77. 



polypora, 78. 



porulosa, 77. 



rhodococcus, 77. 

 LlOSPH.fiRIDA, 59. 

 Liriospyris, 1049. 



amphitbecta, 1050. 



clatbrata, 1049. 



I 



