244 INDEX TO NORTH AMERICAN GEOLOGY, PALEONTOLOGY, [bull. 
Paleontology— Continued. 
Genera and species described— Continued. 
Nageiopsi.s longifolia Fontaine, Fontaine, 
1850. 
Naiadites, Dawson, 1441. 
Naiadites, Hind, 2600. 
Nanno, Clarke, 944. 
aulema n. sp., Clarke, 953. 
aulema, Hyatt, 2820. 
Nanomeryx eaudatus n. gen. et sp., Marsh, 
3690. 
Nanopus eaudatus n. gen. et sp., Marsh, 3686. 
Nanosaurus Marsh, 3701. 
Naosaurus, Case, 768. 
Nartht'coeeras crassisiphonatum, Hyatt, 2820. 
shnpsoni, Hyatt, 2820. 
Nassa bidentati Emmons, Dall, 1259. 
caloosaensis n. sp., Dall, 1259. 
cancellata Lea, Harris, 2316. 
exilis Con., Harris, 2315. 
galvestonensis n. sp., Harris, 2309. 
harpuloides Conrad, Dall, 1259. 
johnsoni n. sp., Dall, 1259. 
lapenotierei n. sp., Dall, 1259. 
newcombei n. sp., Merriam, 3919, 3923. 
scalaspira Conrad, Dall, 1259. 
trivigalvesta n. sp., Harris, 2309. 
Nassarina glypta Bush., Dall, 1259. 
Natica abyssina, Whitfield, 6097. 
abyssina Morton, Whitfield, 6097. 
alabamiensis, Harris, 2315. 
alticallosa n. sp., Dall, 1259. 
aperta Whitf., Harris, 2315, 2316. 
cliftonensis n. sp., Clark, 904, 906. 
eminula, Harris, 2310, 2315. 
eminula Har. var., Harris, 2316. 
globulella n. sp., Whitfield, 6097. 
humilis n. sp., Cragin, 1115. 
limula, Harris, 2310. 
magno-umbilieata Lea, Harris, 2316. 
mediavia n. sp., Harris, 2310, 2311. 
perspecta, Harris, 2310. 
reversa, Harris, 2310. 
saffordi n. sp., Harris, 2310. 
striaticostata n. sp., Cragin, 1115. 
(Cryptonatica) floridana n. sp., Dall, 1259. 
(Girodes) alabamiensis, Harris, 2310. 
(Lacunaria) alabamiensis Whitf., Harris, 
2316. 
erecta Whitf., Harris, 2316. 
semilunata, Harris, 2316. 
(Lunatia) hemicrypta, Whitfield, 6101. 
(Lunatia) heros, Whitfield, 6101. 
(Lunatia) tuomeyi n. sp., Whitfield, 6101. 
(Neverita) onusta Whitf., Harris, 2316. 
(Polinices) onusta, Harris, 2310. 
(Sigaticus) clarkeana Aid., Harris, 2316. 
Naticopsis McCoy, Keyes, 3062. 
depressa Win., Weller, 6006. 
gigantea Hall and Whitfield, Girty, 2039. 
inornata n. sp., Whiteaves, 6074. 
manitobensis n. sp., Whiteaves, 6074. 
ortoni, Whitfield, 6099. 
ventricosa (Norwood and Pratten), Keyes 
3062. 
ziczac, Whitfield, 6099. 
? (Isonema) humilis Meek, Girty, 2039. 
Paleontology —Continued. 
Genera and species described — Continued. 
Naticopsis (?) sp., Girty, 2038. 
Nauplius, Beecher, 366. 
Nautilus Breynius, Grabau, 2086. 
Nautilus, Hyatt, 2819, 2820. 
bryani, Whitfield, 6097. 
burkarti n. sp., Aguilera, 57. 
cookana n. sp., Whitfield, 6097. 
dekayi, Whitfield, 6097. 
elegans Sowerby, Stanton, 5191. 
forbesianus McChesney, Keyes, 3062. 
magister Hall, Grabau, 2086. 
missouriensis Swallow, Keyes, 3062. 
occidentalis Swallow, Keyes, 3062. 
ortoni, Whitfield, 6099, 
pauper, Whitfield, 6099. 
perkinsi n. sp., Whitfield, 6106. 
ponderosus White, Keyes, 3062, 3105. 
texanus Shum., Cragin, 1115. 
toddi n. sp., Miller, 3995. 
washitanusn. sp., Cragin, 1118. 
winslowi Meek and Worthen, Keyes, 3062 
(Centroceras) marcellensis (Vanuxem), 
Grabau, 2086. 
(Cymatoceras) carlottensis n. sp., Whit- 
eaves, 6095a. 
(Gyroceras?) subquadrangularis, Whit- 
field, 6099. 
(Temnoeheilus) spectabitis, Whitfield, 
6099. 
sp., Clark, 906. 
Nebalia geoffroyi, Beecher, 366. 
Nebria occlusa n. sp., Scudder, 4900. 
paleomelas, Scudder, 4896. 
Negundo triloba Newb., Newberry, 4083. 
Neitheaquinquecostata? (Sow.) Mort., Harris, 
2315. 
Nelumbo intermedia n. sp., Knowlton, 3264. 
laramiensis n. sp., Hollick, 2674. 
? sp., Knowlton, 3264. 
Nemataxis, Simpson, 4983. 
Nematophyton crassum, Penhallow, 4335. 
Nematopora, Simpson, 4983. 
Nematopora Ulrich, Ulrich, 5537. 
conferta Ulrich, Ulrich, 5537. 
delicatula Ulrich, Ulrich, 5537. 
granosa Ulrich, Ulrich, 5537. 
ovalis Ulrich, Ulrich, 5537. 
Nemodon sulcatinus Evans and Shumard, 
Herrick and Johnson, 2465. 
sulcatinus Evans and Shumard (sp.) ?, 
Stanton, 5191. 
Neobolus Waagen, Hall and Clarke, 2260. 
Neolenus, n. gen., Matthew, 3788. 
granulatus, n. sp., Matthew, 3788. 
serratus, Roem. sp., Matthew, 3788. 
Neothanes testeus, Scudder, 4900. 
Nepheliospongia n. gen., Clarke, 974. 
avocensis n. sp., Clarke, 974. 
typica n. sp., Clarke, 974. 
Nephriticeras, Hyatt, 2819. 
acraeum, Hyatt, 2819. 
bucinum, Hyatt, 2819. 
cavum, Hyatt, 2819. 
juvenis, Hyatt, 2819. 
liratum, Hyatt, 2819. 
