1790 



THE VOYAGE OF H.M.S. CHALLENGER. 



Phatnaspis — 



coscinoitles, 870. 



cristata, 869. 



ensiformis, 869. 



fenestrata, 869. 



haliomtuidium, 871. 



lacunaria, 869. 



loculata, 869. 



mitlleri, 871. 



ortbopora, 870. 



polypora, 870. 



quadratura, 871. 



tabulata, 871. 

 Phatnasplenium, 870. 

 Phlebarachnium, 1295. 



facetum, 1296. 



sctosum, 1296. 



venosum, 1297. 

 Phcenicosphffira, 75. 

 Phormobotrys, 1124. 



cannothalamia, 1125 



hexathalamia, 1125. 



pentathalamia, 1124. 



polythalainia, 1125. 



tritlialamia, 1124. 

 Phormocampe, 1456. 



campanula, 1456. 



conus, 1458. 



eucalyptra, 1457. 



lamprocyclas, 1457. 



metalis, 1457. 



miti-a, 1458. 

 Phormocampida, 1453. 

 Phoemocyrtida, 1365. 

 Phormocyrtis, 1368. 



carinata, 1368. 



costata, 1369. 



embolum, 1369. 



fastosa, 1369. 



longicornis, 1370. 



quadrata, 1369. 

 Phormospbffira, 61. 

 Phormospyrida, 1084. 

 Phormospyris, 1076. 



triccstata, 1087. 



tridentata, 1087. 



trifoliata, 1087. 

 Phorticida, 708. 

 Phorticium, 709. 



abnorme, 710. 



deforme, 710. 



pylonium, 709. 



spironium, 709. 

 Phortolarcus, 710. 

 Phortopyle, 709. 

 Phractacantha, 755. 



bifurca, 755. 



bipennis, 755. 

 Phractacanthida, 753. 

 Phractaspariuni, 808. 



Phk.\ctaspid.\, 808. 

 Phractaspidium, 810. 

 Phractaspis, 809. 



bipennis, 809. 



cataphracta, 810. 



complanata, 809. 



condylopbora, 809. ^ 



consti'icta, 810. 



prototypus, 809. 

 Phractasplenium, 809. 



bipenne, 809. 

 Phractopelta, 852. 



aspidomma, 854. 



dorata8pis, 852. 



diporaspis, 852. 



dyadopora, 852. 



haliomma, 854. 



hexadopora, 853. 



hystrix, 854. 



octadopora, 853. 



tessaraspis, 853. 



tessaromma, 854. 



tetradopora, 853. 

 Phractopeltida, 847. 

 Phrenocodon, 1433. 



clatlirostomium, 1434. 



diaphragma, 1434. 

 Phyllostaurus, 744. 

 Physematiura, 34. 



atlauticum, 35. 



iniilleri, 35. 

 PiLOCYRTID.I, 1129. 



Pipetta, 337. 



conus, 338. 



fusus, 337. 



salpinx, 338. 



tuba, 337. 

 Pipettaria, 339. 



fusaria, 339. 



tubaria, 339. 

 Pipettella, 304. 



elongata, 305. 



fusiformis, 304. 



prismatica, 305. 



tubulosa, 305. 

 Pityomma, 299. 



drymodes, 260. 



piniferum, 260. 



scoparium, 259. 

 Plagiacantha, 909. 



abietina, 910. 



arachnoides, 910. 



dodecantha, 910. 



elatine, 911. 



furcata, 910. 



verticillata, 910. 

 Plagiacanthida, 898. 

 Plagiocarpa, 914. 



procortina, 914. 



procyrtella, 914. 



Plagonida, 906. 

 Plagonidium, 913. 



bigeminura, 913. 



quadrigeminura, 914. 

 Plagoniscus, 912. 



cortinaris, 913. 



euscenium, 912. 



nassellaris, 913. 



tripodiscus, 912. 

 Plagonium, 916. 



arborescens, 917. 



distriactis, 917. 



lampoxantbium, 907. 



sphairozoum, 916. 



trigeminum, 917. 

 Platyhursa, 1051. 



compressa, 1051. 

 Platycryphalus, 1298. 



sethodiscus, 1298. 

 Plectanida, 919. 

 Plectaniscus, 924. 



arcliiscenium, 925. 



cladoscenium, 925. 



clathrocorys, 925. 



cortiniscus, 925. 



tripodiscus, 925. 

 Plectanium, 928. 



ovodimare, 928. 



sphaerozoum, 928. 



trigeminum, 928. 

 Plectellaria, 895. 

 Plectida, 898. 

 Plectocoronis, 979. 



anacantha, 979. 



pentacantba, 979. 



triacantha, 979. 

 Plectoidea, 898. 

 Plectopliora, 922. 



arachnoides, 922. 



novena, 923. 



pyraniidalis, 923. 



triomma, 922. 

 Plectopyramis, 1256. 



dodecomma, 1258. 



fenestrata, 1259, 



furcata, 1259. 



heteromma, 1259. 



hexapleura, 1257. 



lagena, 1260. 



magnifica, 1257. 



polygonomma, 1258. 



polypleura, 1260. 



quadratorama, 1258. 



serrata, 1259. 



spongiosa, 1261. 



trapezomraa, 1258. 

 Plegmosphsra, 87. 



coelopila, 88. 



entodictyon, 88. 



exodictyon, 89. 



i 



