INDEX. 
471 
Platychodus, 149. 
mortoni, 14S). 
Platyodus, 191. 
lineatus, 191. 
Platyrhina, 459. 
boleensis, 4.59. 
PLEUnACA.VTIlID.E, 1. 
Pleurae anthus, 2, 
2J,1. 
alatua, 9. 
altemidentatus, 9. 
arouatuK, 8. 
biserialis, 9. 
buhomieus, 0. 
cyliiulricus, 8. 
tleclieni, 3. 
denticulatus, 9. 
dilatiitiis, 9. 
elegans, 9. 
erectus, 5, 6. 
frossardi, 9. 
pacilliinus, 9. 
boiTiduliis, 9. 
loevis, 9. 
lajvissimus, 5. 
jilaiius, 5, (>. 
poroaus, 10. 
pulcliellua, 6. 
quadriseriatua, 9. 
robustiis, 7. 
tenuis, 9. 
tuberculatiis, 10. 
wardi, 10. 
Pleurodus, 170, 173. i 
afllnis, 173. 
rankiuei, 173. 
woodi, 175. 
Pleurogomphus, 95. 
auriculatus, 95. 
Pleuroplax, 170, 173. 
attbeyi, 175. 
rankinei, 173. 
woodi, 175. 
Plicodus, 348. 
tbieleusis, 348. 
Plintliicus, 459. 
atenodon, 459. 
Poecilodus, 170, 201, 
SO'J, ill, 217. 
alifortnis, 200. 
angustus, 17.5, 193. 
attheyi, 175. 
carbonarius, 204. 
cestnen.si.s, 205. 
circinans, 200. 
concha, 198. 
convolutua, 20.5. 
corrugatus, 202. 
(?) elegans, 205. 
foveolatus, 459. 
gibbosus, 204. 
Poecilodus (coU.). 
grandis, 200. 
joncsii, 196, 107, 202. 
limbiitus, 198. 
lingulatus, 205. 
obliqims, 202. 
omatas, 201, 217. 
paradoxus, 205. 
parallelus, 19(3. 
rossicu.s, 201. 
riigosus, 205, 217. 
sancti-ludovioi, 205. 
[ springeri, 205, 215. 
sublajvis, 195, 196. 
sulcatus, 205. 
transversus, 202, 203. 
varsoviensis, 205. 
wortheni, 205, 215, 
Polyrhizodus, 56. 
ainplus, 59. 
altcnuatus, 58. 
oarbonariug, 59. 
colei, 57. 
concavus, St. John 
Worthc7i, 59. 
concarus, Tmutschold, 
59. 
constrictus, 57. 
j deiitatus, 59. 
elongatus, 58. 
cxcavatus, 59. 
inflexus, 59. 
liltoni, 59. 
lobatue, 59. 
longua, (iO. 
uiagnus, 57. 
minimus, 60. 
modestus, 60. 
nanus, 60. 
piasaenais, 60. 
ponticulus, 60. 
porosus, 60. 
princeps, (iO. 
pusillus, 227. 
radieauB, 57. 
siuuosus, 58. 
truncatus, 60. 
wilHaiusi, (JO. 
Prionodon, 436. 
aculeatua, 440. 
aculus, 440. 
angustidens, 441 . 
autiquas, 441 . 
armatus, 441. 
baltringeiisia, 441. 
deformis, 441. 
desolgnei, 441. 
dijki, 441. 
egertoni, 439. 
etrusoua, 441. 
gibbus, 441. 
: Prionodon (cont.). 
liastalis, 441. 
javanus, 441. 
medius, 441. 
modestus, 441. 
orpiensi-s 441. 
pedemontanus, 442. 
similis, 442. 
specio.sus, 442. 
subglaucus, 442. 
I Bublamia, 442. 
tenuis, 442. 
tumidus, 442. 
lingulatus, 442. 
urcianensis, 442. 
Pristicladodus, 28. 
concinnuB, 64. 
dentatus, 28. 
goughi, 29. 
jerol'eyewi, 29. 
springeri, 27. 
PKi.sTin,E, 73. 
PRI.STIOPHORin.E, 72. 
Pristiophoras, 72. 
Pristis, 73. 
acutidens, 75. 
agassizi, to. 
amWodon, 458. 
angustior, 7.5. 
aquitanicus, 75. 
attenuatus, 459. 
bassani, 75. 
bisuleatus, 73. 
braohyodon, 459. 
contortus, 74. 
curvideus, 75. 
dubius, 460. 
ensidens, 75. 
hastingsi®, 73. 
lathami, 75. 
parisiensis, 75. 
pristinus, 75. 
Pristiurus, 344. 
has.sci, 344. 
PRISTODONTID.E, 62. 
Pristodus, 62. 
(?) acuminatus, 53. 
benniei, 64. 
concinnus, 64. 
falcatus, 6.3. 
Propristis, 76. 
schweinfurtlii, 76. 
Protogaleus, 437. 
cuvieri, 437. 
minor, 446. 
PsAMMODONTID.K, 91. 
Psammodus, 99, 169. 
angularis, 107. 
angustissimus, 249, 
angustus, 106, 107. 
antiquus, 459. 
