132 
BIBLIOGRAPHY AND INDEX OF N. A. GEOLOGY, [bull. 135. 
Paleontology— Continued. 
Genera and species described — Continued. 
Modiolopsis dychii n. sp., Miller, 413. 
rhomboidea, Foerste, 197. 
subrhoinboidea, Foerste, 197. 
Monilea (Leiotrochus) eborea, Whitfield, 
628. 
Monotis semiplicata n. sp., Hyatt, 304. 
symmetrica n. sp , Hyatt, 304. 
Monticulipora affinis, James, 312. 
andrewsii, James, 312. 
arcolata, James. 312. 
briarea, James, 312. 
calycula, James, 312. 
cincinnatiensis, James, 312. 
communis, James, 312. 
crassimuralis, James, 312. 
discoidea, James, 312. 
dubia, James, 312. 
eccentrica, James, 312. 
elegans, James, 312. 
falesi, James, 312. 
gelasinosa, James, 312. 
gracilis, James, 312. 
imperfectum, James, 312. 
jamesi, James, 312. 
kentuckensis, James, 312. 
lens, James, 312. 
meeki, James, 312. 
newberryi, James, 312. 
newportensis, James, 312. 
nodulosa, James, 312. 
obioensis, James, 312. 
o'nealli, James, 312. 
petasiformis, James, 312. 
var. welchi, James, 312. 
quadrata, James, 312. 
Tar. subquadrata, James, 312. 
ramosa, James, 312. 
var. dalli, James, 312. 
rugosa, James, 312. 
septosa, James, 312. 
simulatrix, James, 312. 
subpulchella, James, 312. 
ulricbi, James, 312. 
varians, James, 312. 
whiteavesi, James, 312. 
whitfieldi, James, 312. 
wortheni, James, 312. 
Mublfeldtia Bayle, Hall and Clarke, 236. 
Murcbisonia bammelli n. sp., Miller, 413. 
Murex marksi n. sp., Harris, 242. 
shilohensis, Whitfield, 628. 
shilohensis var. burnsi n. var., Whitfield, 
628. 
(Pteronotus) burnsii n. sp., Aldrich, 6. 
Mysia parilis, Whitfield, 628. 
Mytilarca mytiliformis n. sp., Foerste, 197. 
percarinata, Whitfield, 629. 
Mytilococcha incrassata, Whitfield, 628. 
Naiadites, Dawson, 145. 
Naiadites, Hind, 273. 
Nanno, Clarke, 76. 
Nanomeryx caudatus n. gen. et sp., Marsh, 
398. 
Nanopu f caudatus n. gen. et sp., Marsh, 394. 
Paleontology— Continued. 
Genera and species described — Continued. 
Natica (Lunatia) hemicrypta, Whitfield, 628. 
(Lunatia) heros, Whitfield, 628. 
(Lunatia) tuomeyi n. sp., Whitfield, 628. 
Naticopsis ortoni, Whitfield, 629. 
ziczac, Whitfield, 629. 
Nautilus, Hyatt, 305. 
ortoni, Whitfield, 629. 
pauper, Whitfield, 629. 
toddi n. sp., Miller, 413. 
(Gyroceras?) subquadrangularis, Whit 
field, 629. 
(Temnocheilus) spectabitis, Whitfield, 629 
Nelumbo laramieDsis n. sp., Hollick, 282. 
Nephriticeras, Hyatt, 305. 
acraeum, Hyatt, 305. 
bucinum, Hyatt, 305. 
cavum, Hyatt, 305. 
juvenis, Hyatt, 305. 
liratum, Hyatt, 305. 
majester, Hyatt, 305. 
maximum, Hyatt, 305. 
oriens, Hyatt, 305. 
subliratum, Hyatt, 305. 
Nereis (?) incognita n. sp., Cragin, 102. 
Neverita duplicata, Whitfield, 628. 
Newberria Hall, Hall and Clarke, 236. 
Nipterella paradoxica (Billings) Hinde, Rauff, 
473. 
Noedyceras Hyatt, 305. 
Noetlingia Hall, Hall and Clarke, 236. 
Norella Bittner, Hall and Clarke, 236. 
Nostoceras n. gen., Hyatt, 305. 
helicinum, Hyatt, 305. 
stantoni, Hyatt, 305. 
var. prematurum, Hyatt. 305. 
aberrans, Hyatt, 305. 
Notothyris ( ?) Waagen, Hall and Clarke, 236. 
Nucleatula Bittner, Hall and Clarke, 236. 
Nucleospira Hall, Hall and Clarke, 236. 
rotundata, Whitfield, 629. 
Nucula catherina n. sp., Cragin, 102. 
proxima, Whitfield, 628. 
Nuculites subcuneatus n. sp., Clarke, 78. 
(Cleidophorus) ferrugineum n. sp., 
Foerste, 197. 
Nyassa arguta, Whitfield, 629. 
Nyctodactylus, Williston, 642. 
Octacodon valens n. gen. et sp., Marsh, 396, 397. 
Oecotraustes denticulata n. sp., Hyatt, 304. 
Olcostephanus lindgreni n. sp., Hyatt, 304. 
Oldhamiua Waagen, Hall and Clarke, 236. 
Oliva carolinensis, Whitfield, 628. 
Oncosella catinum n. sp., Rauff, 473. 
Onychochilus nitidulus n. sp., Clarke, 78. 
Ophidioceras, Hyatt, 305. 
rudens, Hyatt, 305. 
tener, Hyatt, 305. 
tessallatum, Hyatt, 305. 
Opisthoptera Meek, ITlrich, 570. 
alternata n. sp., Ulrich, 570. 
ampla n. sp., TJlrich, 570. 
extenuata n. sp., TJlrich, 570. 
fissicosta TJlrich, 570. 
laticostata n. sp., TJlrich, 570. 
