PETALODUS 
leevissimus, 635 
psittacinus, 636 
radicans, 641 
rectus, 636 
rhombus, 635 
sagittatus, 636 
truncatus, 618 
PETRAIA, 39 
zequisuleata, 39 
bina, 40 
Celtica, 74 
elongata, 40 
gigas, 74 
rugosa, 40 
subduplicata, 40 
uniserialis, 41 
PETRODUS, 637 
patelliformis, 637 
PuHacors, 159 
alifrons, 159 
apiculatus, 162 
Downingiz, 160 
felinus, 164 
truncato-caudatus, 162 
Phanerotinus, 301 
cristatus, 542 
Phasianella ventricosa, 399 
PHILLiPsiA, 183 
gemmulifera, 183 
Jonesii, 183 
seminifera, 183 
Pholadomya Visetensis, 507 
PHRAGMOCERAS, 322 
arcuatum, 322 
intermedium, 322 
yentricosum, 322 
PHYLLOPODA, 134 
PHYSONEMUs, 638 
arcuatus, 638 
subteres, 638 
Pileopsis, 290 
angustus, 523 
neritoides, 523 
vetustus ? 523 
Pinna, 498 
costata, 498 
flabelliformis, 498 
flexicostata, 499 
inflata, 473 
spatula, 499 
Pinnites flabelliformis, 498 
nudus, 498 
Pisces, 575 
Puiacorpa, 575 
PLACODERMATA, 598 
PLAGIosTOMA, 576 
Planorbis cequalis, 542 
Plasmopora, 14 
INDEX. 
PLATYCRINUS, 118 
antheliontes, 119 
coronatus, 119 
ellipticus, 119 
levis, 119 
megastylus, 119 
mucronatus, 118 
pileatus, 119 
vesiculosus, 119 
PLATYSCHISMA, 533 
glabrata, 533 
helicoides, 534 
Jamesi, 534 
ovoidea, 535 
tiara, 535 
Puatysomus, 614 
parvus, 614 
striatus, 614 
PLEUROCONCHA, 257 
Pleurocrinus, 118 
Pleuronectia, 478 
Pleurophorus, 273 
costatus, 497 
Pleurorhynchus elongatus, 617 
minax, 516 
PLEUROTOMARIA, 290 
altavittata ? 524 
angulata, 525 
antrina, 525 
aspera, 398 
callosa, 525 
canaliculata, 530 
catenata, 533 
cirriformis, 526 
concentrica, 530 
conica, 526 
consobrina, 527 
crenulata, 291 
decipiens, 527 
decussata, 526 
erosa, 528 
glabrata, 533 
Griffithi, 528 
helicinoides, 529 
imbricata, 398 
interstrialis, 398 
lenticularis, 291 
Lloydi, 293 
monilifera, 530 
ovoidea, 535 
Permiana, 525 
Sedgwickiana, 525 
striata, 529 
sub-monilifera, 530 
* Tumstallensis, 525 
turrita, 291 
undata, 292 
undulata, 530 
Verneuili, 525 
657 
PLEUROTOMARIA 
vittata, 526 
Yvanni, 530 
PCCILOPODA, 174 
Polycelia, 91 
Polypiaria, 2 
Potypora, 115 
dendroides, 115 
verrucosa, 116 
Po.yruizopus, 641 
magnus, 641 
pusillus, 642 
POLYTREMARIA, 533 
eatenata, 533 
POLYZOA, 44 
PoRAMBONITES, 212 
alta, 212 
dentatus, 192 
elevata, 212 
intercedens, 212 
lata, 212 
latissima, 212 
parva, 212 
pentagona, 212 
plana, 212 
rotunda, 212 
subrecta, 212 
trigona, 212 
PoRCELLIA, 555 
leevigata 542 
Puzosi, 556 
Porites expatiata, 14 
megaustoma, 16 
petalliformis, 17 
pyriformis, 15, 67 
tubulata, 18 
PoRTLOCKIA, 162 
? apiculata, 162 
granulata, 177 
latifrons 177 
Stokesii, 163 
Posmonta, 521 
Becheri, 521 
lateralis, 522 
tuberculata, 522 
Posidonomya, 521 
(PoTERIOCcERAS), 321 
cordiforme, 568 
? cornu-vaccinum, 568 
ellipticum, 321 
Susiforme, 569 
pyriforme, 322 
Potertocrinus, 116 
granulosus, 116 
nuciformis, 117 
Prionotus convolutus, 3 
Jolium, 7 
pristis, 8 
sagittarius, 5 
4p 2 
