lxvi THE PALEONTOLOGY OF MINNESOTA. 
planumbona, 390, 384, 391. tenuigranulata, 353. 
ponderosa, 407. trentonensis, 344. 
precosis, 414. zebra, 345. 
recedens, 414, Lingulasma, 353, 354. 
recta, $22. canadensis, 352. 
rhomboidalis, 410, 400, 411, 457. galenensis, 354, 334, 355. 
var. tenuistriata, 412. schucherti, 353, 355. 
var. ventricosa, 410. Lingulasmatide, 353, 354. 
rugosa, 410. LTingulelasma, 353, 378. 
SUDA 414, Lingulella, 346. 
sericea, 414. stoneana, 346, 345. 
subtenta, 393, 389. Lingulellida, 360. 
tenuistriata, 410. Lingulide, 338, 354. 
trilobata, 395. Lingulops, 353, 354. 
unicostata, 411, 410-413. Liquidambar, 5. 
Leptobolus occidentalis, 360. Liriodendron, 7, 6. 
Leptoccelia, 467. meeki, 22. 
Leptotrypa, 316, 107, 226, 248, 286, 303, 317, 319, 320. Liriophyllum, 5. 
acervulosa, 318, 226. Lithistide, 79. 
claviformis, 319. Lituolide, 28. 
discoidea, 102. Loculipora, 106, 110. 
flliosa, 307, 303, 318. Lomatia, 5. 
hexagonalis, 317. Loxosoma, 97. 
informis, 317. Lucina divaricata, 346. 
irregularis, 318. occidentalis, 53. 
minima, 316. Lunarium, 99, 104. 
petastiformis, 318, 303. Lunulites dactioloides, 67. 
semipilaris, 318. dactyloides, 67. 
Lias, flora of, 2. Lycopodiacex, 2, 6. 
Lichenaria, 83. Lyopomata, 338. 
minor, $4*. Lyopora favosa, 83. 
typa, 83, 84, 85. Lyropora, 106, 110. 
Lichenotrypa, 107, 110. Lyssakina, 55. 
Lindstreemella, 364. x 
Lingula, 338, 108, 335, 344-346, 348, 350, 352, 354. 
anatina, 339-341. Macule, 103. 
attenuata, 344. Madreporaria, 83; Aporosa, 83; Perforata, 94; Ru- 
beltrami, 351*, 352. gosa, 87. 
canadensis, 352*, 353. Magellania, 371, 372. 
cincinnatiensis, 350-352. Magnolia, 8, 5. 
clathrata, 345. alternans, 18, 9, 22. 
cobourgensis, 346, 348. Malvaces, 5. 
covingtonensis, 347. Margaritana, 53. 
crassa, 348. nebrascensis, 53. 
daphne, 344. Marginul apiculata, 37. 
deflecta, 348, 349. contraria, 37. 
elongata, 344. elongata, 37. 
elderi, 339, 341. inversa, 37. 
eva, d41. tenuis, 37. 
hurlbuti, 347, 318. torulosa, 37. 
iowensis, 349, 350-352. Marsilia, 2. 
lamellata, 349. Marsupium, 98, 97. 
linguata, 349. Median tubuli, 98, 104. 
minnesotensis, 339. Meekopora, 107, 110, 148. 
modesta, 344. clausa, 148. 
morsii, 334. Megalanteris, 472. 
philomela, 342. Meganteris, 472. 
quadrata, 351, 339, 341, 342, 349, 351, 352. Menispermacee, 5. 
rectilateralis, 349, 841, 342, 351 Mesopores, 98, 103. 
rectilateris, 349. Mesotrypa, 257, 102, 106, 217, 248, 255, 262, 286, 
riciniformis, 343*, 344, 345. 306, 315. 
var. galenensis, 344. discoida, 260*, 257. 
spathata, 345. infida, 258, 256-260. 
teniola, 345. patella, 260, 257. 
