228 INDEX TO NORTH AMERICAN GEOLOGY, PALEONTOLOGY, [bull. 189. 
Paleontology — Continued. 
Genera and sptrhs (hscribed — Continued. 
Laccophyllum acuminatum n. sp., Simpson, 
4984. 
Laccopteris laneeolata (Gopp) Presl. n. comb. 
?, Ward, 5857. 
Laccopygua n. gen., Scudder, 4890. 
nilesii, Scudder, 4890. 
Lacertilia, Cope, 1081. 
Lachnopus humatus, Scudder, 4890. 
recuperatus, Scudder, 4890. 
Lselaps incrassatus Cope, Cope, 1083. 
incrassatus, Hay, 2384. 
Lagena aspera Reuss, Woodward and Thomas, 
6433. 
crenata Parker and Jones, Chapman, 870. 
favosa-punctata Brady, Woodward and 
Thomas, 6433. 
globosa (Montagu) Bagg, 148, 150. 
hispida Reuss, Woodward and Thomas, 
6433. 
sulcata ( Wal ker and Jacob ) , Chapman, 870. 
Lagomys palatinus Cope, Cope, 1104. 
Lambdotherium Cope, Osborn, 4194. 
popoagicum Cope, Osborn, 4193a, 4194. 
Lamna appendiculata,Williston, 6259. 
macrorhiza.Williston, 6259. 
mudgei,Williston, 6259. 
(?) obliqua Agassiz, Clark, 906. 
(?) quinquelateralis n. sp., Cragin, 1119. 
quinquelateralis,Williston, 6259. 
sulcata,Williston, 6259. 
(Odontaspis?) sp.,Williston, 6259. 
Lampterocrinus Roemer.Weller, 6002. 
(?) dubius n. sp.,Weller, 6002. 
inflatus Hall.Weller, 6002. 
robustus n. sp.,Weller, 6002. 
(?) subglobosus n. sp.,Weller, 6002. 
Laosaurus, Marsh, 3701. 
Laotira n. gen.,Walcott, 5805, 5811. 
cambria n. sp.,Walcott, 5805, 5811. 
Laphmina (Ehlert, Hall and Clarke, 2260. 
Lapparia Conrad, Dall, 1259. 
dumosa Con. var., Harris, 2316. 
Laqueus Dall, Hall and Clarke, 2264. 
Laricopsis longifolia Font., Fontaine, 1846, 
1847. 
Lariosaurus, Case, 768. 
Larix americana, Penhallow, 4336. 
churchbridgensis, Penhallow, 4330. 
Larus calif ornicus?, Shufeldt, 4960. 
oregonus n. sp., Shufeldt, 4960. 
Philadelphia, Shufeldt, 4960. 
robustus n. sp., Shufeldt, 4960. 
Lassea Leach, Dall, 1281. 
rubra (Montagu) Brown, Dall, 1281. 
Lasiothrix Hinde, Dawson, 1452. 
curvicostata Hinde, Dawson, 1452. 
flabellata n. sp., Dawson, 1452. 
Lastrea(Goniopteris)fischeri Heer, Knowiton, 
3262. 
fischeri Heer?, Newberry, 4083. 
Lathrobium interglaciale, Scudder, 4896. 
Latiarca Conrad, Whitfield, 6101. 
Latirus alabamensis n. sp., Aldrich, 73. 
callimorphua n. sp., Dall, 1259. 
floridanus Heilprin, Dall, 1259. 
Paleontology — Continued. 
Genera and species described — Continued. 
Latirus (floripanus var.?) multilineatus, Dall, 
1259. 
hysipettus n. sp., Dall, 1259. 
imbricatulus n. sp., Harris, 2311. 
indistinctus n. sp., Aldrich, 71. 
lesensis n. sp., Harris, 2311. 
rugatus n. sp., Dall, 1259. 
singleyi n. sp., Harris, 2307. 
tessellatus n. sp., Dall, 1259. 
tortilis var. nanafalius n. var., Harris, 
2316. 
Laurelia primaeva n. sp.. Lesquereux, 3470. 
Laurinoxylon pulchrum n. sp., Knowiton, 
3255. 
Laurophyllum augustifolium n. sp., New- 
berry, 4080. 
ellsworthianum Lesq., Lesquereux, 3470. 
insigne n. sp., Dawson, 1436. 
lanceolatum n. sp., Newberry, 4080. 
minus n. sp., Newberry, 4080. 
Laurus angusta Heer, Lesquereux, 3470. 
antecedens n. sp., Lesquereux, 3470. 
grandis Lx., Knowiton, 3255. 
hollse Heer, Lesquereux, 3470. 
knowltoni n. sp., Lesquereux, 3470. 
montana n. sp., Knowiton, 3255. 
nebrascensis Lesq., Lesquereux, 3470. 
newberryana n. sp., Hollick, 2672. 
perdita n. sp., Knowiton, 3255. 
plutonia Heer, Hollick, 2698. 
plutonia? Heer, Lesquereux, 3472. 
plutonia Heer, Newberrry, 4080. 
praestans Lx., Knowiton, 3264. 
primigenia Ung., Hollick, 2708. 
primigenia? Ung., Knowiton, 3255, 3264. 
princeps Heer, Knowiton, 3255. 
pseudo-carolinensis Lx., Knowiton, 3255. 
saiicifolia, Knowiton, 3235. 
similisn. sp., Knowiton. 3262. 
(Carpites) microcarpa n. sp., Lesquereux, 
3470. 
plutonia Heer, Lesquereux, 3470. 
teliformis n. sp., Lesquereux, 3470. 
?sp., Knowiton, 3264. 
Laxispira imbricalis, Hairis, 2315. 
lumbricalis, Whitfield, 6097. 
Leaia leidyi, Dawson, 1454. 
Lebedictya n. gen., Hall and Clarke, 2269, 
2270. 
crinita n. sp., Hall and Clarke, 2269, 2270. 
Lecanocrinus Hall, Weller, 6002. 
greenei n. sp.. Miller and Gurley, 3999. 
oswegoensis n. sp., Miller and Gurley, 
3997b. 
tennesseensis n. sp.. Miller, 3992. 
waukoma (Hall), Weller, 6002. 
Lecythiocrinus olliculaeformis White, Keyes, 
3061. 
Leda, Schumacher, Dall, 1272. 
acala n. sp., Dall, 1272. 
acrybia n. sp., Dall, 1272. 
acuta Conrad, Dall, 1272. 
alseformis (Gabb), Stanton, 5198. 
albirupina n. sp., Harris, 2305. 
aldrichiana Har. var., Harris, 2315. 
