Page:Scientific results HMS Challenger vol 18 part 2.djvu/913

Rh Pentalastrum, 556. asteracanthion, 556. astropecten, 556. cometa, 557. ophidiaster, 557. Pentaphormis, 1244. Pentaplegma, 930. decacantha, 930. Pentasolenia, 113. , 1052. Pentaspyris, 1054. isacantha, 1055. pentacantha, 1054. Pentinastrum, 557. asteriscus, 557. goniaster, 558. Pentoniscus, 488. Pentophiastrum, 558. caudatum, 559. dicranastrum, 558. forcipatum, 559. Periarachnium, 1297. periplectum, 1297. Perichlamydium, 499. accrescens, 499. æquale, 515. asteriscus, 514. limbatum, 514. prætextum, 499. saturnus, 499. spirale, 499. spongiosum, 516. venustum, 515. Peridarium, 1153. Peridium, 1153. alatum, 1155. cervinum, 1155. curvipes, 1154. lasanum, 1154. palmipes, 1154. papillatum, 1154. spinipes, 1154. Peripanarium, 390. cenoconicum, 390. cenocylindricum, 391. Peripanartus, 382. amphiconus, 383. amphicorona, 387. atractus, 384. cylindrus, 384. lævigatus, 383. palliatus, 382. Peripanicium, 386. amphicorona, 387. amphixiphus, 386. coronarium, 387. Periphæna, 426. cincta, 426. decora, 426. statoblastus, 426. Periplecta, 926. cortina, 926. monocyrtis, 927. pteroscenium, 926. , 6. , 6. Peripyramis, 1162. cirumtexta, 1162. spongiosa, 1162. Perispira, 494. perforata, 495. radiata, 495. Perispongidium, 498. irregulare, 498. , 1095. Perispyris, 1098. bicincta, 1099. lentellipsis, 1099. spongiosa, 1099. Perizona, 427. scutella, 427. pterygota, 427. Peromelissa, 1236. calva, 1237. capito, 1237. phalacra, 1236. psilocrana, 1237. Petalospyrantha, 1060. Petalospyrella, 1060. Petalospyris, 1059. anthemis, 1062. anthocyrtoides, 1090. arachnoides, 1065. argiscus, 1062. bellidiastrum, 1063. carinata, 1074. clathrus, 1049. confluens, 1088. corona, 1061. diaboliscus, 1065. dictyocubus, 1063. dinoceras, 1063. eupetala, 1061. flabellum, 1174. floscula, 1060. foveolata, 1060. furcata, 1064. lobata, 1064. novena, 1062. ocellata, 1174. octopus, 1061. ophirensis, 1048. papillata, 1063. pentas, 1070. platyacantha, 1060. radicata, 1051. seminulum, 1046. spinosa, 1048. tessaromma, 1062. triomma, 1060. Petalospyrissa, 1061. Petalospyromma, 1062. , 409. , 419. Phacodiscus, 424. clypeus, 425. echiniscus, 425. grandis, 425. lentiformis, 425. rotula, 424. Phacostaurium, 435. Phacostaurus, 435. magnificus, 436. oceanidum, 435. pyramidalis, 465. quadrigatus, 436. Phacostylium, 430. Phacostylus, 430. amphipyramis, 431. amphistylus, 430. amphixiphos, 430. caudatus, 431. maximus, 431. , 1157. Phænocalpis, 1173. carinata, 1174. flabellum, 1174. ocellata, 1174. petalospyris, 1173. Phænoscenium, 1174. cladopodium, 1175. hexapodium, 1175. polypodium, 1175. Phæocolla, 1544. primordialis, 1544. , 1710., 1537. , 1542. , 1521. Phæodina, 1545. cannopylea, 1546. tripylea, 1545. , 1543. , 1642. , 1590. Pharyngella, 1662. gastræa, 1662. gastrula, 1662. invaginata, 1662. monoceros, 1662. , 1660. Pharyngosphæra, 98. stomodæa, 98. Phatnacantha, 765. icosaspis, 765. tessaraspis, 765. Phatnasparium, 868. , 861. Phatnaspidium, 871. Phatnaspis, 870.