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Palssospcndylus, 553 
gu n n i, 500 , av# - 5:. 
Palseoteuthis, 100. 
dunensis 174. 
kneri, 174. 
nmrginalis, 175. 
Palssot.hrissum, 476. 
blennioides, 477. 
elegars, 477. 
in.Tquilobum, 44 5. 
maerocephalum, 477. 
magnum, 470, 477. 
paryum, 445. 
Pamphractus, 223. 
andersoni. 230. 
hydrophilus, 7 39, 230y 
Parabatrachus, 37.''. 
colei, 370, 381. [ 
Parexus, 33. £, y. c pro-livus, 132. 
laleatua, 4, 31 !&»£}} .2-,reversus, 132. 1 
incurvus, 34. stcllatus, 132. 
Passalcdcn, 73. I subteres, 132. 
/Physonemus, 93, 130 . 
acmucilbriuis, 131. 
altonensis, 120. 
an ceps, 1**1. 
arenatus, -1/' Cm/, 130. 
arcuat us ( L< i<h/), 131. 
attenuatus, 130. 
enrinatus, 131. 
chestorensis, 133. 
depressus, 131. 
fa lea tus, 131. 
gemmatus, 132. 
giganteus, 132. 
gigas. 132. 
ha mat us, 131. 
konincki, 132. 
mirabilis, 132. 
parvulus, 132, 
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/Or. ! 
505 
Plectrodus, 103./ rf- £ 
mirabilis, 103, 135. 
pleiopristis, 103. 
pustulilerus, 104. 
Plectrolepis, 523. 
rugnsa, 520. 531. 
Pleiopterus, 3iiS. /D/Ar/a P 
Plethodus, 02. 
Plintholepis, 380. , 
retrorsa, 380. 
Pnige acanthus, 135, 
137- 
d‘.‘li )i H'S, ! .>'S. 
pnige us. 138. 
trigonal 3, 130. 
Pcdodus, 531. 
cipitulus, 532. 
P JLVuiioNTiu.r., 421. 
Polyphractus, 235. 
platycephalus, 236, 
Peleccpterus, 152. 
Pentagonolepis, 313. 
konincki, 313. 
Peplorhina, 408^3^5! 
anthracina, 408. 
a ret at.a, 408. 
Fetalodopsis, 255, 256. 
mirabilis, 257. 
Phanfko v i,k nun k. 246 . 
Phaneropleurcn, 
217. 
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andersoni, 247. 
curt inn, 218, 862, 5o3. 
elegans, 240. 
Phanerosteon, 476. 
nirabile, 476. 
r * 76 . Phlebolepis, >5it, 
157. 
elegans, 156. 
Phlyctasnaspis, 295. 
aeadica, 295.* 
j ‘ip’^Lsringiica; 181, 206. 
^ : Phlyctsnius, 205. 
1 9 4 ' acadicus, 295. 
Placcsteus, 126. 
arcuatus, 127. 
masandrinus, 126. 
undulatus, 128. 
Placothorax, 223. 
agassizi. 303. 
paradoxus, 226. 
Platyacanthus, 
M l Co?/, 135. 
isosceles, 1 37. 
Platyacanthus, 
Frifsck, 552. 
ventricosus. 552. 
Platygnathus, 322, 
3>0. 
iamesoni, 327, 330. 
minor, 380. 
paucidens, 330. 
IM.atvsom -V i 1 o.i., 527. 
Platysomus, 541. 
althausi, 551. 
Pclyplocodus, 363. 
mcur\ us, o 6 o. yrj/c-r?-.3- 
wenjukowi, 563. 
Polypterus, 423. FiP ,e> 
Pclyrhizodus, 135. 0 
Fricnocanthus, 1573 
■j (X I A t *'• 
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dubius 157. 
Pristacanthus 
i 10. 
inarianu?, 120. 
tmirisms. 120. 
sCtmris, 1 10. 
i et us! its, 110. 
Pristis, 151. F 
Prcgnat’ncdus, 43, 45. 
guentheri, 44, 47- 
Propalaeoniscus, 487. 
agassizi, 5Ui. 
Protopirata, 151, 154. 
cr-j 11 rodon, 153. 
Psaiiodus, 00. 
eompressits, 00. 
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arglicus, 206. 
Ph.oderacanth.us, 
135. 
grand is, 138. 
PMYULOLEPiniE. 313. 
Phyllolepis, 313. 
•concentrica, 314. 
corneti, 314. 
r i i 1 : - * delicatula, 314. 
: fiZ 4 ' * trj-gilis, 553. 
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ienuissima, 342. 
undulata, 314. 
4 Physichthvs, 3n5. 
h'wruinghausi, 30, ?21 
biaviniuus, 545. , t >. Psammodus, 08, 135. 
ci rcular i s. 550. J, ^ ^ 
declivus, 520, 531: 
j bi-elonensis, 588. 
porosus, 00. 275. 
Uschcri, 550. Psammolepis, 126. 
forsteri, 546. 3 ^ j ' r s. paradoxa. 128. , *2t> / 
Psammosteus, OS, 5’>3^/? . 5 g? 
126. yd/ 
arenatus, 12/. - 2 
granulatus, 128. 
fuldai, 534 
gibbosus. 542. 
insignis, 531. 
intermedius, 542. 
macrurus, 53-^ 
orbicularis, o.>0. 
parvulus, 546. 
parvus, 542. hrv -voi 
f rhombus, 542, 
I rotund us, 540 
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mseandrinus, 126. ■* tZ.> 
paradoxus, m l&k 
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314 
303. 
/> . /. 
jMf O tt-ZW , 
flriatua. 542. 525. 
super bus. 540. 
teuuistriat us, 5 i 8. 
/ 
undulatus, 128. 
vermieularis, 128. /? r *jcL 
Psilacanthus, Ml.' 
aalensis, 117. 
Psittacodori, 55. 73. 
1‘alcatus. 56. 
rnautclli, 75, 
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