wekks] PALEONTOLOGY, PETROLOGY, AND MINERALOGY, 1898. 149 
Paleontology— Continued. 
Genera and species described— Continued. 
Naosaurus, Case, No. 135. 
Negundo triloba Newb., Newberry, No. 573a. 
Nemataxis, Simpson, No. 702. 
Nematopora, Simpson, No. 702. 
Nicholsonella, Simpson, No. 702. 
Nilssonia gibbsii (Newb.), Hollick, Newberry, 
No. 573a. 
Nodosaria aculeata, Bagg, No. 27. 
acuminata (Reuss), Bagg, No. 27. 
adolpbinula (d'Orbigny), Bagg, No. 27. 
affinis, Bagg, No. 27. 
annulata Reuss, Bagg, No. 27. 
bacillum, Bagg, No. 27. 
communis (d'Orbigny), Bagg, No. 27. 
consobrina (d'Orbigny), Bagg, No. 27. 
var. emaciata Reuss, Bagg, No. 27. 
farcimen (Soldani), Bagg, No. 27. 
filiformis d'Orbigny, Bagg, No. 27. 
indifferens (Reuss), Bagg, No. 27. 
inornata (d'Orbigny), Bagg, No. 27. 
laevigata d'Orbigny, Bagg, No. 27. 
longiscata d'Orbigny, Bagg, No. 27. 
multicostata (d'Orbigny), Bagg, No. 27. 
nitida d'Orbigny, Bagg, No. 27. 
obliqua, Bagg, No. 27. 
obliqua (Linne), Bagg, No. 27. 
pauperata (d'Orbigny), Bagg, No. 27. 
polygona Reuss, Bagg, No. 27. 
radicula (Linne), Bagg, No. 27. 
raphanus (Linn6), Bagg, No. 27. 
roemeri (Neuguboren), Bagg, No. 27. 
rotundata (Reuss), Bagg, No. 27. 
scabra (Reuss), Bagg, No. 27. 
spipulosa (Montagu), Bagg, No. 27. 
yertebralis (Batsch), Bagg, No. 27. 
williamsi, Bagg, No. 27. 
zippei Reuss, Bagg, No. 27. 
Nonionina affinis, Bagg, No. 27. 
boueana, Bagg, No. 27. 
depressula, Bagg, No. 27. 
scapha, Bagg, No. 27. 
ordenskioldia borealis Heer, Newberry, No. 
573a. 
Notbosaurua, Case, No. 135. 
Nucula Lamarck, Dall, No. 184. 
cbipolana n. sp., Dall, No. 184. 
magntfica Con., Harris, No. 334. 
ovula, Harris, No. 334. 
proxina Say, Dall, No. 184. 
prunicola n. sp., Dall, No. 184. 
shaleri Dall, Dall, No. 184. 
sinaria n. sp., Dall, No. 184. 
taphria n. sp., Dall, No. 184. 
Nyssa (?) cuneata Newb., Newberry, No. 
573a. 
vetusta Newb., Newberry, No. 573a. 
Odontotrypa, Simpson, No. 702. 
Omphaloploios n. gen., "White, No. 870. 
Onolclea sensibilis fossilis Newb., Newberry, 
No. 573a. 
Oracantbus linsatus n. sp., Newberry, No. 573. 
pugiunculua St. J. & W., Newberry, No. 
573. 
vetustus, Newberry, No. 573. 
Paleontology — Continued. 
Genera and species described — Continued. 
Orbiculoidea batesvillensis n. sp., Weller, No. 
860. 
berzeri, Hall and Clarke, No. 327. 
numulus, Hall and Clarke, No. 327. 
(Schizotreta) ovalis, Hall and Clarke, No. 
327. 
sp.,Girty,No.299. 
Orbulina univerda, McClung, No. 514. 
Oriskania navicella, Hall and Clarke, No. 
327. 
Ophiderpeton, Case, No. 134. 
Ornithochierus, Case, No. 135. 
Orthis flabellites var. spania, Hall and Clarke, 
No. 327. 
( ? ) glypta, Hall and Clarke, No. 327. 
( ? ) holstoni, Hall and Clarke, No. 327. 
panderiana, Hall and Clarke, No. 327. 
( ? ) saffordi, Hall and Clarke, No. 327. 
(Dalmanella) arcuaria, Hall and Clarke, 
No. 327. 
superstes, Hall and Clarke, No. 327. 
(Plaesiomys) loricula, Hall and Clarke, 
No. 327. 
(Rhipidomella) oweni, Hall and Clarke, 
No. 327. 
(Scbizopboria) senecta, Hall and Clarke, 
No. 327. 
Orthoceras beauportense n. sp., Whiteaves, 
No. 875. 
eurekensis (Walcott) ( ? ) Weller, No. 860. 
hagersvillense n. sp., Whiteaves, No. 875. 
tenuistriata Hall, "Whiteaves, No. 875. 
walpolensem n. sp., "Whiteaves, No. 875. 
westoni n. sp., "Whiteaves, No. 875. 
Orthothetes desideratus, Hall and Clarke, No. 
327. 
Orthotropia dolomitica, Hall and Clarke, No. 
327. 
Oryctomya n. subgen., Dall, No. 189. 
Osteocephalus, Case, No. 134. 
Osteolepis, Case, No. 133. 
Ostrea Lamarck, Dall, No. 184. 
alabamiensis Lea, Dall, No. 184. 
alabamiensis Lea, Harris, No. 334. 
anceps n. sp., Logan, No. 498. 
carolinensis Conrad, Dall, No. 184. 
compressirostra, Harris, No. 334. 
compressirostra Say, Dall, No. 184. 
congesta Conrad, Logan, No. 498. 
crenulimarginata Gabb, Dall, No. 184. 
falco Dall, No. 184. 
georgiana Conrad, Dall, No. 184. 
haitensis Sowerby, Dall, No. 184. 
johnsoni Aldrich, Dall, No. 184. 
lugubris Conrad, Logan, No. 498. 
megodon, Dall, No. 184. 
percrassa Conrad, Dall, No. 184. 
podagrina, Dall, No. 184. 
pulaskensis Harris, Dall, No. 184. 
sculpturata Conrad, Dall, No. 184. 
selheformis Conrad, Dall, No. 184. 
selhpformis Conrad, Harris, No. 334. 
thirsaB Harris, No. 334. 
thirsse Gabb, Dall, No. 184. 
