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

Pentalastrum, 556.
asteracanthion, 556.
astropecten, 556.
cometa, 557.
ophidiaster, 557.
Pentaphormis, 1244.
Pentaplegma, 930.
decacantha, 930.
Pentasolenia, 113.
Pentaspyrida, 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.
Peripylaria, 6.
Peripylea, 6.
Peripyramis, 1162.
cirumtexta, 1162.
spongiosa, 1162.
Perispira, 494.
perforata, 495.
radiata, 495.
Perispongidium, 498.
irregulare, 498.
Perispyrida, 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.
Phacodiscaria, 409.
Phacodiscida, 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.
Phænocalpida, 1157.
Phænocalpis, 1173.
carinata, 1174.
flabellum, 1174.
ocellata, 1174.
petalospyris, 1173.
Phænoscenium, 1174.
cladopodium, 1175.
hexapodium, 1175.
polypodium, 1175.
Phæocolla, 1544.
primordialis, 1544.
Phæoconchia, 1710.
Phæocoscina, 1537.
Phæocystina, 1542.
Phæodaria, 1521.
Phæodina, 1545.
cannopylea, 1546.
tripylea, 1545.
Phæodinida, 1543.
Phæogromia, 1642.
Phæosphæria, 1590.
Pharyngella, 1662.
gastræa, 1662.
gastrula, 1662.
invaginata, 1662.
monoceros, 1662.
Pharyngellida, 1660.
Pharyngosphæra, 98.
stomodæa, 98.
Phatnacantha, 765.
icosaspis, 765.
tessaraspis, 765.
Phatnasparium, 868.
Phatnaspida, 861.
Phatnaspidium, 871.
Phatnaspis, 870.