560 
INDEX. 
PAGE. 
PAGE. 
Plitlionia nitida, Hall, . 
. 477 
Pterineal sub orbicular is, Hall, . 
80 
P. 
nodieostata, Hall, . 
xliv, 173, 474, 475 
P. 
triqueter, Conrad, 
. 265 
P. 
sectifrons, ( Conrad) Hall, . xliv 
473, 475, 477, 478 
P. 
(Vertumnia) avis, Hall, . 
105 
P. 
truncata, Hall, 
476 
P. 
(V. ) reproba, Hall, 
. 106 
Phyli.ocarida, 
. 478 
P. 
(V. ) reversa, Hall, 
104 
Pinnopsis acutirostra, Hall, 
437 
Pterinopecten, Hall, 
(xii) xvii, 57, 248 
P. 
ornatus. Hall, . 
. 437 
P. 
conspectus, Hall, . 
63, 65, 66, 68, 69, 74 
Peetiiojiytilus, Hall, 
(xiv) 253 
P. 
crenicostatus, Hall, . 
. 58, 78, 79, 81 
p. 
ponderosus, Hall, 
. 254 
P. 
crenulatus, Hail, . 
78 
Pleurorliynchus attenuatus, Conrad, 
40'J 
P. 
dignatus, Hall, 
32, 62, 64, 65, 67 
P. 
cuneus, Conrad, 
. 40m 
P. 
dispandus, Hall, 
72, 76, 77 
P. 
trigonalis, Hall, 
409 
P 
erectus, Hall, . 
. 77 
Posidonia alveata, Conrad, 
. 370 
P. 
exfoliatus, Hall, 
59,60, 61 
P.l 
arcuata, Conrad, . 
373 
P. 
iilitextus, Hall, 
. 67, 70 
P. 
lirata, Conrad, 
. 441 
P. 
Hermes, Hall, 
59, 62, 63, 64, 66, 67, 69 
P. 
tellinoides, Conrad, 
404 
P. 
imbecilis, Hall, 
. 75 
Prascardium, Barrande, 
xxxvi, 427 
P. 
insons, Hall, 
59, 61 
P. 
despectum, Barrande, 
427 
P. 
intermedius, Hall, 
. 68 
P. 
vetustuin, Hall, 
. 427 
P. 
invalidus, Hall, 
. 31, 67 
Produotetla Boydi, .... 
291 
P. 
Isetus, Hall, 
. 63, 65, 66, 67, 75, 107 
Promacrus, Meek, 
lit, 510 
P. 
lautus, Hall, 
63 
P. 
Andrewski, Meek, 
lii 
P. 
multiradiatus, Hall, . 
. 57 
P. 
cuneatus, Hall, 
lii, 510 
P. 
Neptunus, Hall, 
78, 79 
P. 
Missouriensis, Swallow, . 
lii, 510 
P. 
nodosus, Hall, . 
. 60 
Prokhynchus, Hall, . 
xlviii, 492 
P. 
reflexus, Hall, 
58 
P. 
angulatum, Hall, . 
xlix, 493 
P. 
regularis, Hall, 
69, 70 
P, 
nasutum, Hall, 
. xlix, 493 
P. 
spondylus, Hall, 
65 
P. 
quadratum, Hall, . 
xlix, 492 
P. 
strictus, Hall, . 
. 74 
PliOTHYRIs, Meek, 
Xl, 460, 462 
P. 
suborbicularis, Hall, 
44, 58, 77, 78, 80 
P. 
a lata, Hall, .... 
xli, 461 
P. 
terminalis, Hall, 
. 32 
P. 
elegans, Meek, 
Xl, 460 
P. 
undosus, Hall, 
72 
P. 
exuta, Hall, .... 
463 
P. 
Vertumnus, Hall, 
. 71, 76, 79, 106 
P. 
laneeolata, Hall, 
xli, 460, 462 
P. 
(Aviculopecten ?) strictus, 
Hall, . . 74 
P. 
planulata, Hall, 
xli, 460 
Pteronites, McCoy, . . (xiii) xvii, 151, 208, 237, 239 
Protojiya, Hall, 
lii, 509 
P. 
inoptatus, Hall, 
239 
P. 
oblonga, Hall, 
lii, 509 
P. 
Icevis, (Hall)S. A. Miller, 
. 158 
Pterinea, Goldfuss, . . (xii) xvii, xix, lix, '2, 91 
P. 
muricatus, Hall, . 
108 
P. 
avis. Hall, . 
103, 107 
P. 
profundus, Hall, 
. 237, 239 
P. 
bisulcata, Conrad, 
. xxx, 359 
P. 
rostratus, Hall, 
338 
P. 
Boydi, Conrad, 
113 
P. 
spinigerus, (Conrad) S. A. 
Miller, . . .177 
P. 
cardiformis, Hall, 
. 515 
P. 
subdecussata, Hall, 
110 
P. 
Chemungensis, ( Conrad) Hall, . 
95, 98, 101, 102 
Ptychodesma, Hall rf- Whitfield, 
xxix, 352 
P. 
concentrica, Conrad, . 
. xxiii, 275 
P. 
Knappianum, Hall cf Whitfield, xxix, 353, 354 
P. 
consimilis, Hall, . 
99, 100 
P.l 
minor, Hall, 
. 353 
P. 
oostulata, lioemer, 
. 93 
P. 
minor, Hall, 
353 
P. 
cuneata, Conrad, . 
396 
P. 
nanurn, Hall, 
. 353 
P. 
dispanda, Hall, 
. 97 
P'i’YCHOPTERIA, Hall, 
. (xii) xvii, 129, 206 
P. 
fasciculata, Goldfuss, 
93 
P. 
alata, Hall, 
139, 141, 144 
P. 
flabella, Hall, . . . xvii 
,91,92 , 93, 97, 98 
j>_ 
Beecheri, Hall, 
143 
P. 
grandis, Hall, 
91 
P. 
elongata, Hall, . 
. 141, 143 
P. 
interstrialis, Hall, 
. 96 
P. 
Eucrate, Hall, 
133, 137, 138, 142, 143 
P. 
longispina, (Hall) S. A. Miller, . 
179 
P. 
Eudora, Hall, . 
. 138 
P. 
pinguis, Hall, . 
91, 93 
P. 
expansa, Hall, 
153 
P. 
planulata, Conrad, 
484 
P. 
falcata, Hall, . 
. 136 
P. 
prora, Hall, 
103, 104, 105, 107 
P. 
Galene, Hall, 
143 
P. 
protexta, (Conrad) S. A. Miller, 
183 
P. 
gibbosa, Hall, . 
. 149, 150 
P. 
punctulata, Conrad, . 
. 467 
P. 
lata, Hall, . 
145, 147 
P. 
pygmcea, Conrad, . 
514 
P. 
lobata, Hall, 
. 150 
P. 
radians, Conrad, 
. 422, 425 
P. 
perlata, Hall, 
147, 148 
P. 
reprobus, Hall, 
72 
P. 
Proto, Hall, 
. 139, 133 
P. 
reversa, Hall, . 
. 104, 105 
P. 
Salamanca , Hall, . 
131, 134 
P. 
reversa, var. avis, Hall, . 
105 
P. 
Sao, Hall, . 133, 
134, 135, 137, 145, 148, 323 
P. 
rigida, Hall, 
. 99, 101 
P. 
sinuosa, Hall, 
. . 129, 130 
