weeks.] PALEONTOLOGY, 
1894. 
133 
Paleontology— Continued. 
Genera and species described — Continued. 
Opisthoptera Meek— Continued. 
notabilis, n. sp., Ulrich, 570. 
obliqua n. sp., Ulrich, 570. 
Oreodon 
bullatus Leidy, Osborn and Wortenan, 
4336. 
culbertsonii Leidy, Osborn and Wortiuan, 
4336. 
gracilis Leidy, Osborn and Wortman, 
4336. 
Orodus basilis n. sp., Cope, 95. 
Oromeryx plicatus n. sp., Marsh, 398. 
Orthis 
fausta var. squamosa, n. var., Foerste, 197. 
glypta n. sp., Hall and Clarke, 235. 
tioga, Whitfield, 629. 
(Dalmanella) elegantula, Foerste, 197. 
(Herbertella) daytonensis, Foerste, 197. 
(Herbertella) fausta, Foerste, 197. 
(Orthis-Dinorthis) calligramma, Foerste, 
197. 
(Platystrophia) biforata, Foerste, 197. 
(Rhipidoiuella) hybrida, Foerste, 197. 
Orthoceras 
albersi S. A. Miller, Miller and Faber, 415. 
colletti n. sp., Miller, 413. 
cribrosum Geinitz, Miller, 413. 
fenestrulatuui n. sp., Clarke, 78. 
franklinense n. sp., Miller, 413. 
geneva n. sp. Clarke, 78. 
gorbyi n. sp., Miller, 413. 
incarceratum n. sp., Clarke, 78. 
inceptumvar. acceleration n. var., Foerste, 
197. 
ludlowense n. sp., Miller and Faber, 415. 
nuntium, Whitfield, 629. 
nuntoides n. sp., Clarke, 78. 
staffordensis n. sp., Clarke, 78. 
(Actinoceras) clavatum, Foerste, 197. 
(Actinoceras) youngi, Foerste, 197. 
(Cycloceras) amycus, Foerste, 197. 
(Cycloceras) inceptum, Foerste, 197. 
(Eu-Orthoceras) ignotum, Foerste, 197. 
(Eu-Orthoceras) erraticum, Foerste, 197. 
(Eu-Orthoceras) hanoverense, Foerste, 
197. 
(Eu-Orthoceras) virgulatum, Foerste, 197. 
(Spyroceras?) syproceroides n. sp., 
Foerste, 197. 
Orthodesma ashmani n. sp., Miller and Faber, 
415. 
cylindricum n. sp., Miller and Faber, 414. 
cymbula n. sp., Miller and Faber, 415. 
parvum n. sp., Ulrich, 570. 
scaphula n. sp., Miller and Faber, 415. 
subangulatum n. sp., Ulrich, 570. 
Orthorhynchula Hall, Hall and Clarke, 236. 
Orthothetes bellulus n. sp., Clarke, 78. 
Ortonella hainesi, Ulrich, 570. 
Oryctogma n. gen., Scudder, 502. 
aackenii, Scudder, 502. 
Ostrea 
percrassa, Whitfield, 628. 
prse-compressirostra n. sp., Harris, 242. 
Paleontology — Continued. 
Genera and species described — Continued. 
Ostrea— Continued. 
virginiana, Whitfield, 628. 
var. procyon, Whitfield, 628. 
Oxyrhina mantelli Agassiz, Eastman, 165. 
Pagiophyllum dubium n. sp., Fontaine, 200. 
Paheoconcha faberi S. A. Miller, Miller and 
Faber, 415. 
Paheopala'mon Whitfield, Whitfield, 629. 
newberryi, Whitfield, 629. 
Palseosaccus dawsoni Hinde, Rauff, 473. 
Paleoneilo similis, Whitfield, 629. 
Paleopupa abrupta n. gen. et sp., Foerste, 197. 
Paliurus integrifolius n. sp. Hollick, 280. 
Panopaj goldfussi, Whitfield, 628. 
Parahyus aberrans n. sp., Marsh, 398. 
Parameryx la? vis n. sp., Marsh, 398. 
Parastrophia Hall, Hall and Clarke, 236. 
divergens n. sp., Hall and Clarke, 235. 
greenii n. sp., Hall and Clarke, 235. 
latiplicata n. sp., Hall and Clarke, 235. 
multiplicata n. sp.. Hall and Clarke, 235. 
Parazyga Hall, Hall and Clarke, 236. 
Patriofelis, Wortiuan, 668. 
Pattersonia 
aurita (Beecher) ?, Rauff, 473. 
difficilis S.A.Miller, Rauff, 473. 
tuberosa (Beecher), Rauff, 473. 
ulrichi n. sp., Rauff, 473. 
Pecten madisonius, Whitfield. 628. 
vicenarius (?), Whitfield, 628. 
Pentagonia Cozzens, Hall and Clarke, 236. 
Pentamerella Hall, Hall and Clarke, 236. 
Pentamerus Sowerby, Hall and Clarke, 236. 
pes-ovis, Whitfield, 629. 
Pentremites elegans, Whitfield, 629. 
Peregrinella Oehlert, Hall and Clarke, 236. 
Peripetoceras n. gen., Hyatt, 305. 
frieslebeni Geinitz, Hyatt, 305. 
Periploma ( ?) alta, Whitfield, 628. 
Perisphinctes colfaxi, Hyatt, 304. 
filiplex(?), Hyatt, 304. 
muhlbachi n. sp., Hyatt, 304. 
virgulatiformis n. sp., Hyatt, 304. 
Perissodon Conrad, Whitfield, 628. 
Perna torta, Whitfield, 628. 
Petersia medicinensis n. sp., Cragin, 102. 
Pexidella Bittner, Hall and Clarke, 236. 
Phacops trisulcatus, Foerste, 197. 
Pholadomya multilmeata, Hyatt, 304. 
nevadana, Hyatt, 304. 
Phos albirupiua n. sp., Harris, 242. 
hilli n. sp., Harris, 242. 
Pbysetomya acuminata n. gen. et sp., Ulrich, 
570. 
Pinna comancheana n. sp., Cragin, 102. 
maxvillensis, Whitfield, 629. 
Platidia Costa, Hall and Clarke, 236. 
Platyceras niagarense,var.clintouense n. var., 
Foerste, 197. 
squalodens, Whitfield, 629. 
(Platystoma) niagarense, Foerste, 197. 
Platycrinus 
caducus n. sp., Miller, 413. 
chouteauensis n. sp., Miller, 413. 
colletti n. sp., Miller, 413. 
