INDEX. 
559 
PAGE. 
PAGE. 
Orthonota carinata, Conrad,'. 
xlvi, 479, 481, 482 
Panenka robusta, Hall, 
416, 424 
0. 
cingulata, Hisinger, 
xxxi 
P. 
ventricosa, Hall, 
. 417 
0. 
ensiformis, Hall, 
. 480 
PANOPjEA, .... 
. . . 510 
o. 
extrasulcata, Salter, 
xxxi 
Paracardium, Barrande, 
xxxvi, 428 
0. 
parvula, Hall, . 
. 482 
P. 
Doris, Hall, . 
xxxvi, 428 
0.? 
parvula, Hall, 
482 
Paracyclas, Hall, 
xxxviii, 410, 445, 410 
o. 
pholailis, Conrad, 
. xlv, 479 
P. 
Chemungensis, Hall, 
443, 444 
0. 
l-igida, Hall, 
481 
P.7 
elevata, Hall, 
. 447 
0. 
siliquoidea, Hall, 
. . xlvi, 483 
P. 
elliptica, Hall, 
xxxviii, xxxix, 440, 444 
0. 
triangulata, Salter, 
xxxi 
P. 
erecta, Hall, 
. 445 
0. 
undulata, Conrad, . xlv, xlvi, 478, 480, 481, 482 
P.7 
fissa, Hall, . 
447 
0. 
ventricosa, White & Whitfield, 
408 
P. 
ignota, Hall, 
. 444 
Paljuanatina, Hall, . 
xlvii, 488 
P. 
lirata, ( Conrad) Hall, 
xxxix, 302, 441, 442 
P. 
angusta, Hall, 
490 
P. 
Ohioensis, Hall, 
. 442 
P. 
quadrata, Hall, 
xlviii, 492 
P.? 
pauper, Hail, 
446 
P. 
sinuata, Hall, 
491 
P. 
rotunda, Hail, . 
. 444 
P. 
solenoides, Hall, 
xlviii, 489 
P. 
tenuis, Hall, 
. . xxxix, 443 
P. 
tvpa, Hall, . . ■ xlvii 
, xlviii, 488, 4s9, 490 
PARARCA, Hall, . 
xxxvi, 429 
Paeieomya, Zittel cf Goulers, 
lii 
P. 
erecta, Hall, 
xxxvi, xxxvii, 429, 43 2 
Pal/Eoneilo, Hall, 
xxvii, 324, 332, 333 
P. 
neglecta, Hall, . 
. 429, 432 
P. 
angusta, Hall, . 
. 344 
P. 
pnecedens, Hall, . 
429 
P. 
arata, Hall, . 
341 
P. 
Sao, Hall, 
. xxxvii, 429, 430, 431 
P. 
attenuata, Hall, 
. xxviii, 346, 348 
P. 
transversa, Hail, . 
. 429, 431, 432 
P. 
Barrisi, (White & Whitfield) Hall, . . 347 
P. 
venusta, Hall, . . xxxvi, xxxvii, 429, 431, 433 
P. 
bisulcata, Hall, 
344 
Pecten, .... 
lvii, lix 
P. 
brevis, Hall, 
. 343 
P. 
aviculatus, Swallow, . 
. lviii 
P. 
constricta, ( Conrad) Hall, . 
xxviii, 333, 335, 342 
P. 
aviculus, Swallow, 
lix 
P. 
constricta, var. ftexuosa, (Conr., sp.) Hall, var., 334 
P. 
cancellatus, Hall, 
. 18 
P.? 
dubia, Hall, 
. 348 
P.7 
convexus, Hall, 
28 
P. 
elongata, Hall, 
345, 346 
P.7 
crenulalus, Hall, 
. 82 
P. 
emarginata, (Conrad) Hall, . 
. 338, 345 
P. 
demissus, Phillips, 
. . lviii, lx 
P. 
fecunda, Hall, xxviii, 336 
337, 338, 340, 341, 343 
P. 
densistria, Sandb., 
. lix 
P. 
filosai ( Conrad) Hall, 
. 343 
P.7 
dolabriformis, Hall, 
26 
P. 
maxima, ( Conrad ) Hall, . 
334, 335 
P. 
duplicatus, Hall, 
. 17 
P. 
muta, Hall, 
33 7, 338, 340, 344, 347 
P. 
Halleanus, D’Orbigny, 
IS 
P.7 
perplana, Hall, 
339 
P. 
neglectus, Geinitz, 
. lxii 
P. 
perplana, Hall, 
339, 340, 341 
P. 
striatus, Hall, 
22 
P. 
plana, Hall, 
334 
P. 
subobsoletus, D’Orbigny, 
. lix 
P. 
suicatma, ( Conrad ) Hall, 
. 347 
P. 
Trauquebaricus, Gmelin, 
48 
P. 
tenuistriata, Hall, 
. 336, 338, 341 
P. 
undulatus, McCoy, 
. 72 
P. 
truncata, Hall, 
. 347 
Perna, .... 
lvii 
P. 
virginica, Hall, 
340 
Pernopecten, Winchell, (xii) lvii, lviii, lx, lxi, lxii, 81 
PAL.3SOP1NNA, Hall, 
. (xiv) 240 
P. 
Cooperensis, 
lx 
p. 
flabella, Hail, 
240 
P. 
crenulatus, Hall, 
. lx 
p. 
recurva, Hall, . 
. 241 
P. 
fasciculatus, Hall, . 
. . lx, 55 
Paljsosolen, Hall, 
Xlvi, 483 
P. 
glaber, Hall, 
. lx 
p. 
siliquoidea, Hall, 
. xlvi, 483 
P. 
limatus, Winchell, . 
lix, lx 
Panenka, Barrande, . xvii, xxxv, xxxvi, 41(5, 425 
P. 
limil'ormis, White cf Whitfield, . . lvii, lx 
P. 
abrupta, Hail, . 
. 423 
P. 
obsoletus, Hall, 
lx 
P. 
alternata, Hall, 
416 
P. 
Shumardianus, Winchell, 
. . lvii, lix, lx 
P. 
costata, Hail, 
. 419 
l'HOLADELLA, Hall, 
xliii, xliv, 469 
P. 
degener, Hail, 
424 
P. 
constricta. Hall, 
. 377 
P. 
dichotoma, Hall, 
. 416 
P. 
cuneata, Hall, 
510 
P. 
elevata, 
425 
P. 
decussata, Hall, 
. 510 
P. 
equilatera, Hail, 
. xxxv, 419, 424 
P. 
Newberryi, Hall, . 
xliii, xliv, 471 
P. 
Hero, Hail, . 
418, 419, 420 
P. 
ornata, Hall, . 
. 469, 470 
P. 
Lincklaeni, Hall, 
. xxxv, 420, 423 
P. 
parallela, Hall, 
470 
P. 
mollis, Hall, 
420 
P- 
radiata, ( Conrad) Hall, 
. xliv, 469, 471 
P. 
multiradiata, Hall, 
. xxxv, 417 
P. 
truncata, Hall, 
469, 470 
P. 
potens, Hall, 
422, 423 
Pholadomya anomala, Goldfuss, 
. 359 
P. 
Poulsoni, 
. 425 
Phthonia, Hall, . 
xliv, 473 
P. 
radians, Hall, 
xxxv, 422, 425 
P. 
cylindrica, Hail, 
. . . xliv, 473 
P. 
retusa, Hall, 
. 421 
lirata, Hall, 
476 
