weeks] PALEONTOLOGY, PETROLOGY, AND MINERALOGY, 1898. 147 
Paleontology — Continued. 
Genera and species described — Continued. 
Leda catasarea n. sp., Dall, No. 184. 
concentrica Say, Dall, No. 184. 
corpulentoides var., Harris, No. 334. 
dodona n. sp., Dall, !No. 184. 
elongatoidea, Harris, No. 334. 
flexuosa Heilprin, Dall, No. 184. 
hypsoma n. sp., Dall, No. 184. 
(linifera Conrad var. ?) canonica n. sp., 
Dall, No. 184. 
marieana, Harris, No. 334. 
multilineata Conrad, Dall, No. 184. 
parva, Harris, No. 334. 
phalacra n. sp. ?, Dall, No. 184. 
pharcida n. sp., Dall, No. 184. 
protexta, Harris, No. 334. 
protexta Gabb, Dall, No. 184. 
trocbilia n. sp., Dall, No. 184. 
Leguminositis marcouanus Heer, Newberry, 
No. 573a. 
Leiorcbynchus quadricostatum Vanuxem, 
Girty, No. 299. 
Lepidodendron, Dawson, No. 223. 
cyclostigma Lx., Wbite, No. 870. 
Lepidophloios, Dawson, No. 223. 
acadicanus Dawson, Dawson, No. 223. 
cliftonensis Dawson, Nos. 223, 224. 
Leptaenisca adnascens, Hall and Clarke, No. 
327. 
tangens, Hall and Clarke, No. 327. 
Leptobracbites gigantea Haeckel, "Walcott, 
No. 844. 
trigonobrachius Haeckel, "Walcott, No. 
844. 
Leptophractus, Case, No. 134. 
Leptoreodon marshi, n. gen. et sp., Wortman, 
No. 935. 
Leptotragulus Scott and Osborn, Scott, No. 
692. 
Leptotrypa, Simpson, No. 702. 
Licbenalia, Simpson, No. 702. 
Lima (Bruguiere) Cuvier, Dall, No. 184. 
ozarkana n. sp., Harris, No. 334. 
(Ctenoides) scabra Born, Dall, No. 184. 
tenera Sowerby, Dall, No. 184. 
(Lima) caloosanan. sp., Dall, No. 184. 
smirna n. sp., Dall, No. 184. 
vicksburgiana n. sp., Dall, No. 184. 
tampaensis n. sp., Dall, No. 184. 
var. costulata n. sp., Dall, No. 184. 
(Mantellum) caloosana n. sp., Dall, No. 
184. 
carolinensis n. sp., Dall, No. 184. 
Limsea solida n. sp., Dall, No. 184. 
Limopsis Sassi, Dall, No. 184. 
Lindstroemella aspidium, Hall and Clarke, 
No. 327. 
Lingula Compta, Hall and Clarke, No. 327. 
lingulata, Hall and Clarke, No. 327. 
paracletus, Hall and Clarke, No. 327. 
scutella, Hall and Clarke, No. 327. 
taeniola, Hall and Clarke, No. 327. 
(Glossina) flabellula, Hall and Clarke, No. 
327. 
(Lingulipora) williamsana n. sp., Girty, 
No. 299. 
Paleontology — Continued. 
Genera and species described — Continued. 
Lingulina carinata d'Orbigny, Bagg, No. 27. 
Lingulipora n. subgen., Girty, No. 299. 
Lingulops granti, Hall and Clarke, No. 327. 
Linnarssoniia belti Dav. mut. magna n. mut., 
Mattbew, No. 535. 
Liorbyncbus lesleyi, Hall and Clarke, No. 327. 
robustus, Hall and Clarke, No. 327. 
Liostracus validus n. sp., Matthew, No. 535. 
Liquidambar europaBum Al. Br., Newberry, 
No. 573a. 
obtusilobatus (Heer) Hollick, Newberry, 
No. 573a. 
Liriodendron meekii (Heer), Newberry, No. 
573a. 
primsevum Newb., Newberry, No. 573a. 
Lithophaga Bolten, Dall, No. 184. 
antillarum Orbigny, Dall, No. 184. 
(?) batesvillensis n. sp., Weller, No. 860. 
nigra Orbigny, Dall, No. 184. 
nuda n. sp., Dall, No. 184. 
(Diverus) bisulcata Orbigny, Dall, No. 
184. 
(Myoforceps) aristata Dillwyn, Dall 
No. 184. 
Litoceras versutum Billings, Whiteaves, No. 
875. 
Loculipora, Simpson, No. 702. 
Lucina astartiformis, Harris, No. 334. 
greggi, Harris, No. 334. 
occidentalis Morton, Logan, No. 498. 
ozarkana n. sp., Harris, No. 334. 
pomilia, Harris, No. 334. 
symmetrica ( ?), Harris, No. 334. 
ulrichi, Harris, No. 334. 
Lutraria Lamarck, Dall, No. 184. 
Lycosaurus, Case, No. 135. 
Lygodium kaulfussi Heer, Newberry, No. 
573a. 
Lyropora, Simpson, No. 702. 
Lyroporella, Simpson, No. 702. 
Lyroporidra n. gen., Simpson, No. 702. 
Lysactinella n. gen., Girty, No. 300. 
gebhardi, n. sp., Girty, No. 300. 
perelegans n. sp., Girty, No. 300. 
Lytoceras Suess, Smith, No. 713. 
alamedense n. sp., Smith, No. 713. 
Mactra Lamarck, Dall, No. 184. 
chipolana n. sp., Dall, No. 184. 
clathrodon Lea, Dall, No. 184. 
emmonsii Meek, Logan, No. 498. 
prsetenuis var. bistriata, Harris, No. 334. 
Linn6, Dall, No. 184. 
(Coelomactra) Dall, Dall, No. 184. 
(Mactrella) Gray, Dall, No. 184. 
darienensis n. sp., Dall, No. 184. 
(Mactroderma) Dall, No. 184. 
(Mactrotoma) Dall, No. 184. 
cymata n. sp., Dall, No. 184. 
fragilis Gmelin, Dall, No. 184. 
undula n. sp., Dall, No. 184. 
willcoxi, n. sp., Dall, No. 184. 
Mactropsis Conrad, Dall, No. 184. 
Magnolia alternans Heer (?), Newberry, No. 
573a. 
